Name:
Adjusted Name:
Source:
Entity:
Product factor:
Calculation:
Name: Number of Services / Number of Components
Adjusted Name: Total Number of Components
Source: Shim2008, Zimmermann2015
Entity: System
Product factor: Simplicity, Complexity
Calculation: Number of Components
Name: Weighted Service Interface Count / Interface Number / Module Size Metric / Service Granularity
Name: Average Number of Endpoints per Service
Source: Bogner2017, Bogner2020, Hirzalla2009; Brito2021, Jin2021; Rosa2020; Kazemi2013, Ma2009
Entity: System, Service, Endpoint
Product factor: Simplicity; Size
Calculation: Number of Endpoints / Number of Services
Name: Number of Produced Endpoints / (A)synchronous interfaces / Number of Operations / interface number
Adjusted Name: Number of provided Endpoints / Number of provided synchronous and asynchronous endpoints
Source: Apel2019; Engel2018; Shim2008; Brito2021, Jin2021
Entity: Service, Endpoint
Product factor: "Limited funtional scope"
Calculation: Number of endpoints of a service provides
Name: Interaction ratio of a component
Adjusted Name: Incoming outgoing ratio of a component
Source: Tiwari2014
Entity: Service, Link
Product factor: Service independence
Calculation: Number of outgoing links from a component / Number of incoming links of a component
Name: Interaction ratio of a component-based software
Adjusted Name: Incoming outgoing ratio of a system
Source: Tiwari2014
Entity: System, Service, Link
Product factor: Service independence
Calculation: Number of outgoing links in a system / Number of incoming links in a system
Name: Instability Metric for Service Metric
Adjusted Name: Ratio of outgoing links of a service
Source: PhamThiQuynh2009
Entity: Service, Link
Product factor: Service independence
Calculation: (Number of outgoing links of a service / (Total Number of links connected to a service)) * 100
Name: Degree of Coupling between 2 services metric
Adjusted Name: Runtime connections between two services
Source: PhamThiQuynh2009
Entity: Service, Link
Product factor: Service independence, Coupling
Calculation: (Number of times outgoing links of a service to a specific service are used / Number of times all outgoing links of a service are used) * 100
Name: Degree of Coupling within a given set of services metric
Adjusted Name: Coupling degree based on potential coupling
Source: PhamThiQuynh2009
Entity: System, Service, Link
Product factor: Service independence, Coupling
Calculation: ((Maximum path lengths between components when no links exist) - (path lengths between components based on actually existing links)) / (Maximum path lengths between components when no links exist) - (Minimum path lengths when links exist between all components)
Name: Service Coupling Metric
Adjusted Name: Total Number of Links connected to a Service
Source: Rosa2020
Entity: Service, Link
Product factor: Service independence, Coupling
Calculation: Number of outgoing links of a Service + Number of incoming links of a Service
Name: Average interactions among components
Adjusted Name: Interaction density of an integration (trace?)
Source: Tiwari2014
Entity: System, Service, Link
Product factor: Service independence, Coupling
Calculation: (Number of outgoing links in an integration + Number of incoming links in an integration) / Number of components in the integration
Name: Interaction Percentage of Components / Direct Dependency
Adjusted Name: Interaction density of a system
Source: Tiwari2014; Karhikeyan2012
Entity: System, Service, Link
Product factor: Service independence, Coupling
Calculation: ((Number of outgoing links in a system + Number of incoming links in a system) / Number of possible links in a system) * 100
Name: Indirect Dependency because of transitive dependency
Adjusted Name: Indirect Interaction density of a system
Source: Karhikeyan2012
Entity: Service, Link
Product factor: Service independence, Coupling
Calculation: (Number of components to which a path exists, but no direct link) / Number of components in a system)
Name: Information Entropy
Adjusted Name: Service Coupling based on Endpoint Entropy
Source: Wang2009
Entity: Service, Endpoint, Link
Product factor: Service independence, Coupling
Calculation: (sum-of(-log(1 /(Number of links connected to an endpoint + 1))) for all endpoints of a service) / Number of endpoints of a service
Name: System Coupling based on Information Entropy
Adjusted Name: System Coupling based on Endpoint Entropy
Source: Wang2009
Entity: System, Service
Product factor: Service independence, Coupling
Calculation: sum-of((sum-of(-log(1 /(Number of links connected to an endpoint + 1))) for all endpoints of a service) / Number of endpoints of a service) for all services
Name: Number of Consumed Endpoints
Adjusted Name: Number of Consumed Endpoints
Source: Apel2019
Entity: Service, Link
Product factor: Coupling
Calculation: Number of endpoints a service is linked to
Name: Number of Synchronous Service Dependencies
Adjusted Name: Number of synchronous outgoing links
Source: Apel2019
Entity: Service, Link
Product factor: ?
Calculation: Number of outgoing links that are synchronous
Name: Number of Asynchronous Service Dependencies
Adjusted Name: Number of asynchronous outgoing links
Source: Apel2019
Entity: Service, Link
Product factor: Asynchronous communication
Calculation: Number of outgoing links that are asynchronous
Name: Delayed Message Dependency
Adjusted Name: Ratio of synchronous outgoing links
Source: Karhikeyan2012
Entity: Service, Link
Product factor: Coupling, Asynchronous communication
Calculation: Number of outgoing links that are asynchronous / Number of all outgoing links
Name: Number of Service Dependencies in Initialisation
Adjusted Name: ?
Source: Apel2019
Entity: ?
Product factor: ?
Calculation: Number of links to services that are only needed during initialisation
Name: Max Length of Affected Service Chain per Handling / Inter-Service Communication Complexity Metric
Adjusted Name: ?
Source: Apel2019; Rosa2020
Entity: Request Trace
Product factor: Service independence
Calculation: Length of the communication chain to process a request
Name: Max Affected Services per Handling
Adjusted Name: ?
Source: Apel2019
Entity: ?
Product factor: ?
Calculation: Amount of services needed for processing a request
Name: Number of Dependencies with Simple Failover
Adjusted Name: Number of Links with retry logic
Source: Apel2019
Entity: Link
Product factor: Retries for safe invocations
Calculation: Number of synchronous links which implement a retry logic
Name: Number of Dependencies with Complex Failover
Adjusted Name: ?
Source: Apel2019
Entity: Link
Product factor: Circuit breaked communication, Vertical data replication (Caching)
Calculation: Number of synchronous links which implement a circuit breaker of caching
Name: Part of Communication Cycle / Cyclic Dependencies Detection
Adjusted Name: ?
Source: Apel2019; Ntentos2020a
Entity: Service
Product factor: ?
Calculation: Service is part of a cyclic communication path
Name: Number of Communication Handlings
Adjusted Name: ?
Source: Apel2019
Entity: ?
Product factor: ?
Calculation: Number of handlings for events in the context of produced and consumed endpoints
Name: Number of Discovered Endpoints
Adjusted Name: ?
Source: Apel2019
Entity: ?
Product factor: Linked through Service discovery
Calculation: Number of connections explored via a discovery service
Name: Number of Implementation Dependencies
Adjusted Name: ?
Source: Apel2019
Entity: Service
Product factor: Component Similarity
Calculation: Number of compile-time dependecies needed by a component
Name: Number of Loaded Configurations
Adjusted Name:
Source: Apel2019
Entity: Component
Product factor: Configuration Management
Calculation: Number of configurations obtained at runtime
Name: Size of Container artefact
Adjusted Name: Artifact size
Source: Apel2019
Entity: Component
Product factor: Artifact size
Calculation: Size of the built container image
Name: Number of Deployment Targets
Adjusted Name: ?
Source: Apel2019
Entity: ?
Product factor: ?
Calculation: Number of traget environments such as development, staging, production
Name: Number of Required Services for Development
Adjusted Name: ?
Source: Apel2019
Entity: ?
Product factor: ?
Calculation: Amount of services necessary to work on a local setup
Name: Usage of CI/CD
Adjusted Name: ?
Source: Apel2019
Entity: Service
Product factor: Automated Continuous Delivery
Calculation: completeness of automation regarding the CI/CD process
Name: Memory Usage
Adjusted Name: ?
Source: Apel2019
Entity: Service
Product factor: Resource predictability
Calculation: Memory needed by a service at runtime
Name: Database Sharing Metric Between Modules
Adjusted Name: Degree of Storage Backend Sharing
Source: Rosa2020
Entity: Service, Storage Backing Service
Product factor: Coupling, Simplicity
Calculation: Number of Services sharing the same Storage Backing Service
Name: Indirect Dependency because of shared data repository
Adjusted Name: Ratio of Storage Backend Sharing
Source: Karhikeyan2012
Entity: Service, Storage Backing Service
Product factor: Coupling, Isolated State
Calculation: (sum-of(Number of Services sharing the same Storage Backing Service) for all Storage Backing Services) / (Total Number of Services * Total Number of Storage Backing Service)
Name: Indirect Dependency
Adjusted Name: Combined message for indirect dependency
Source: Karhikeyan2012
Entity: Service, Storage Backing Service
Product factor: Coupling, Simplicity
Calculation: (IDDT + IDDSD) / 2
Name: State dependency
Adjusted Name: Ratio of state dependency of endpoints
Source: Karhikeyan2012
Entity: Service, Endpoint, Storage Backing Service
Product factor: Coupling, Simplicity, Mostly stateless services
Calculation: Number of endpoints which require state from a Storage Backing Service / Total Number of endpoints of a Service
Name: IO Dependency
Adjusted Name: Complexity of message data
Source: Karhikeyan2012
Entity: Service, Endpoint
Product factor: Coupling, Simplicity
Calculation: sum-of(Value and weight of input and output items (t.b.d) of all endpoints) / Total number of data items of all endpoints
Name: Resilience
Adjusted Name: Runtime resilience
Source: Wu2018
Entity: Component
Product factor: Automated restarts, Reliability
Calculation: Recovery during recovery action / Loss occuring during disruption
Name: Number of Versions per Service
Adjusted Name: ?
Source: Bogner2017, Hirzalla2009
Entity: Service
Product factor: Complexity, Maintainability
Calculation: Number of concurrently available versions of endpoints
Name: Coupling by means of versioning
Adjusted Name: Concurrently available versions complexity
Source: Karhikeyan2012
Entity: Service
Product factor: Service independence
Calculation: Number of concurrently available versions of a service / Total number of versions of a service
Name: Service Support for Transactions
Adjusted Name: ?
Source: Bogner2017, Hirzalla2009
Entity: Service
Product factor: Complexity, Maintainability
Calculation: Number of services which support transactions
Name: Services Interdependence in the System
Adjusted Name: ?
Source: Bogner2017, Rud2006
Entity: Service, Link
Product factor: Coupling, Service independence
Calculation: Number of services which are bi-directionally linked
Name: Interaction number / Total interactions of component based software
Adjusted Name: Total number of links in a system
Source: Brito2021, Jin2018; Tiwari2014
Entity: System, Link
Product factor: Coupling, Service independence
Calculation: Number of links in the system
Name: Structural Modularity Quality
Adjusted Name: Modularity quality based on cohesion and coupling
Source: Brito2021, Jin2021
Entity: System, Component, Link
Product factor: Modularity, Limited function scope, Service independence
Calculation: (Average structural cohesiveness of services) - (sum of coupling between services / (Number of entities * (Number of entities -1) / 2))
Name: Conceptual Modularity Quality
Adjusted Name: Conceptual Modularity quality based on Data Aggregate cohesion and coupling
Source: Brito2021, Jin2021
Entity: System, Component, Link, Data Aggregate
Product factor: Modularity, Limited function scope, Service independence
Calculation: (Average structural cohesiveness of services) - (sum of coupling between services / (Number of entities * (Number of entities -1) / 2))
Name: Absolute Importance of the Service / Number of Directly Connected Consumer Services / Impotance of Service
Adjusted Name: ?
Source: Bogner2017, Rud2006; Shim2008; Zhang2009
Entity: Service, Link
Product factor: Coupling, Service independence, Reusability
Calculation: Number of Components that are linked to a component (consumers)
Name: Relative Importance of the Service
Adjusted Name: ?
Source: Zhang2009
Entity: Service, Link
Product factor: Coupling, Service independence, Reusability
Calculation: Number of Components that are linked to a component (consumers) / Total Number of Components
Name: Absolute Dependence of the Service / #(A)synchronous dependencies / Number of Directly Connected Producer Serivces / Inter-Service Coupling Index / Coupling of Services / Coupling of service / Coupling Between Services Metric
Adjusted Name: Number of Components a component is linked to
Source: Bogner2017; Rud2006; Engel2018; Shim2008; Raj2021, Raj2018; Hofmeister2008; PhamThiQuynh2009; Zhang2009
Entity: Service, Link
Product factor: Coupling, Service indepedence
Calculation: Number of Components a component is linked to
Name: Inter-Service Coupling
Adjusted Name: Number of links between two services
Source: Hofmeister2008
Entity: Service, Link
Product factor: Coupling, Service indepedence
Calculation: Number of Links which connect the same Components via different endpoints in the same direction
Name: System’s Service Coupling
Adjusted Name: Aggregate System metric to measure service coupling
Source: Hofmeister2008
Entity: System, Service, Link
Product factor: Coupling, Service indepedence
Calculation: (sum-of(Coupling of service Metric for all Service Consumers)) / (Number of all possible couplings)
Name: Extent of Aggregation
Adjusted Name: ?
Source: Hofmeister2008
Entity: System, Service, Link
Product factor: Coupling, Service indepedence
Calculation: (sum-of((sum-of(Channels between consumer and aggregator) for all aggregators) / (sum-of(Channels between consumer and provider) for all producers)) for all consumers that are not aggregators )
Name: System’s CentraliZation
Adjusted Name: ?
Source: Hofmeister2008
Entity: System, Service, Link
Product factor: Coupling, Service indepedence
Calculation: see Hofmeister2008
Name: Density of Aggregation
Adjusted Name: ?
Source: Hofmeister2008
Entity: System, Service, Link
Product factor: Coupling, Service indepedence
Calculation: see Hofmeister2008
Name: Aggregator CentraliZation
Adjusted Name: ?
Source: Hofmeister2008
Entity: System, Service, Link
Product factor: Coupling, Service indepedence
Calculation: see Hofmeister2008
Name: Relative Coupling of Service
Adjusted Name: Number of Components a component is linked to relative to the total amount of components
Source: Raj2021, Raj2018, Zhang2009
Entity: Service, Link
Product factor: Coupling, Service indepedence
Calculation: Number of Components a component is linked to / Total Number of Components
Name: Service Coupling Factor
Adjusted Name: Degree of coupling in a system
Source: Raj2021, Raj2018, Hofmeister2008, Zhang2009
Entity: System, Service, Link
Product factor: Coupling, Service indepedence
Calculation: Sum-of(Number of Components a component is linked to) / ((Total Number of Components)² - (Total Number of Components))
Name: Service Coupling
Adjusted Name: Service Coupling based on data exchange complexity
Source: Kazemi2013, Ma2009
Entity: System, Service, Link
Product factor: Coupling, Service indepedence
Calculation: Summation of complexity of messages sent through all links of a system
Name: Business Entity Convergence
Adjusted Name: Data Aggregate Convergence across Components
Source: Kazemi2013, Ma2009
Entity: System, Service, Data Aggregate
Product factor: Coupling, Service indepedence
Calculation: ((sum-of(number of data aggregates used in a service) for all services) / Number of Services) + ((sum-of(Services that use a data aggregate) for all data aggregates) / Number of Data Aggregates)
Name: Average Required Service Dependency
Adjusted Name: Simple Degree of coupling in a system
Source: Qian2006
Entity: System, Service, Link
Product factor: Coupling, Service indepedence
Calculation: Sum-of(Number of Components a component is linked to) / (Total Number of Components)
Name: Average Service Invocation Coupling
Adjusted Name: Degree of asynchronous communication
Source: Qian2006
Entity: System, Service, Link
Product factor: Coupling, Service indepedence, Asynchronous communication
Calculation: (Sum-of(Degree of asynchronous communication of a component) for all components) / (Total Number of Components)
Name: Absolute Criticality of the Service
Adjusted Name: ?
Source: Bogner2017, Rud2006
Entity: Service
Product factor: Coupling, Service independence
Calculation: AIS x ADS
Name: Service Interface Data Cohesion / Cohesion at message level / Communicational cohesion
Adjusted Name: ?
Source: Bogner2017, Perepletchikov2007, Kazemi2011; Brito2021, Jin2021, Jin2018; Athanasopoulos2011, Athanasopoulos2015, Bogner2020
Entity: Service, Endpoint
Product factor: Cohesion, Limited functional scope
Calculation: Similarity of parameter data types of the operations of a service interface
Name: Cohesion at domain level
Adjusted Name: Domain cohesiveness
Source: Brito2021, Jin2021, Jin2018
Entity: Service, Endpoint
Product factor: Cohesion, Limited functional scope
Calculation: Similarity of entities the operations of a service interface are concerned with
Name: Service Interface Usage Cohesion
Adjusted Name: ?
Source: Bogner2017, Perepletchikov2007, Kazemi2011
Entity: Service, Endpoint
Product factor: Cohesion, Limited functional scope
Calculation: Number of operations used per client / (number of clients * number of operations)
Name: Total Service Interface Cohesion
Adjusted Name: ?
Source: Bogner2017, Perepletchikov2007
Entity: Service
Product factor: Cohesion, Limited functional scope
Calculation: (SIDC + SIUC) / 2
Name: Distribution of synchronous calls
Adjusted Name: Distribution of synchronous calls
Source: Engel2018
Entity: Service
Product factor: Limited functional scope, Elasticity
Calculation: Quotient of the minimum and maximum amount of synchronous calls at the interfaces of a service
Name: Longest synchronous call trace
Adjusted Name: ?
Source: Engel2018
Entity: Service, System
Product factor: Service independence
Calculation: Longest synchronous call trace identified in the microservice system
Name: Average size of asynchronous messages
Adjusted Name: ?
Source: Engel2018
Entity: Service
Product factor: Service independence, "Data appropriateness"
Calculation: Average size of asynchronous messages exchanged
Name: #Synchronous cycles
Adjusted Name: Number of synchronous trace cycles
Source: Engel2018
Entity: System
Product factor: Simplicity
Calculation: Number of cycles that exist between services based on synchronous links
Name: Number of Fine-Grained Parameter Operations
Adjusted Name: ?
Source: Shim2008
Entity: Service
Product factor: ?
Calculation: ?
Name: Number of Messages Used
Adjusted Name: ?
Source: Shim2008
Entity: Service
Product factor: Coupling
Calculation: Number of Messages used in a service
Name: Number of Asynchronous Operations
Adjusted Name: Number of asynchronous endpoints offered by a service
Source: Shim2008
Entity: Service
Product factor: "Limited functional scope"
Calculation: Number of asynchronous endpoints offered by a service
Name: Number of Synchronous Operations
Adjusted Name: Number of synchronous endpoints offered by a service
Source: Shim2008
Entity: Service
Product factor: "Limited functional scope"
Calculation: Number of synchronous endpoints offered by a service
Name: Number of Consumers in Same Level
Adjusted Name: ?
Source: Shim2008
Entity: Service
Product factor: Service independence
Calculation: ?
Name: Total Number of Producer Services / Service Providers
Adjusted Name: Number of Services which have incoming links
Source: Shim2008; Hofmeister2008
Entity: System
Product factor: ?
Calculation: Number of Services which have incoming links
Name: Total Number of Consumer Services / Service Consumers
Adjusted Name: Number of Services which have outgoing links
Source: Shim2008; Hofmeister2008
Entity: System
Product factor: ?
Calculation: Number of Services which have outgoing links
Name: Service Aggregators
Adjusted Name: Number of Services which have both incoming and outgoing links
Source: Shim2008; Hofmeister2008
Entity: System
Product factor: ?
Calculation: Number of Services which have both incoming and outgoing links
Name: Total Number of Message Used
Adjusted Name: ?
Source: Shim2008
Entity: System
Product factor:
Calculation: Number of messages used in a system
Name: Number of Asynchronous Operations
Adjusted Name: Number of asynchronous endpoints
Source: Shim2008
Entity: System
Product factor:
Calculation: Number of asynchronous endpoints
Name: Number of Synchronous Operations
Adjusted Name: Number of synchronous endpoints
Source: Shim2008
Entity: System
Product factor:
Calculation: Number of synchronous endpoints
Name: Number of Fine-Grained Parameter Operations
Adjusted Name: ?
Source: Shim2008
Entity: System
Product factor: ?
Calculation: ?
Name: Number of Process Services / Number of Services / Number of Services / Number of Services / Number of Services
Adjusted Name: Number of Services
Source: Shim2008; Raj2018; Hirzalla2009; Hofmeister2008; Zhang2009, Rud2006
Entity: System
Product factor:
Calculation: Number of Services
Name: Number of Intermediary Services / Number of Basic Services
Adjusted Name: Number of Backing Services
Source: Shim2008
Entity: System
Product factor:
Calculation: Number of Backing Services
Name: Average Number of Directly Connected Services
Adjusted Name: ?
Source: Shim2008
Entity: Service
Product factor: Coupling, Service independence
Calculation: (SEM_NDPS + SEM_NDCS) / SM_SSNS
Name: Inverse of Average Number of Used Message
Adjusted Name: ?
Source: Shim2008, Kazemi2011
Entity: System
Product factor: Cohesion
Calculation: SM_SSNS / SM_TMU
Name: Number of Operations
Adjusted Name: ?
Source: Shim2008
Entity: System
Product factor: Complexity
Calculation: SM_NSO + SM_NAO * 1.5
Name: Squared Average Number of Operations to Squared Average Number of Messages
Adjusted Name: ?
Source: Shim2008
Entity: System
Product factor: Service Granularity
Calculation: ((SM_NAO + SM_NSO) / SM_SNSS)² / (SM_TMU / SM_SNSS)²
Name: Coarse-Grained Parameter Ratio
Adjusted Name:
Source: Shim2008
Entity: System
Product factor: Parameter Granularity
Calculation: (SM_NSO + SM_NAO - SM_NFPO) / (SM_NSO + SM_NAO)
Name: Ratio of components violating independent deployability to non-external components
Adjusted Name: ?
Source: Zdun2017
Entity: System
Product factor: Service independence
Calculation: Number of violating components / Number of non-external components
Name: Ratio of independently deployable component clusters to non-external components
Adjusted Name: ?
Source: Zdun2017
Entity: System
Product factor: Service independence
Calculation: Number of independently deployable components / Number of non-external components
Name: Ratio of sharing non-external components to non-external components
Adjusted Name: ?
Source: Zdun2017
Entity: System
Product factor: ?
Calculation: Number of component which share a dependency / Number of non-external components
Name: Ratio of shared non-external components to non-external components
Adjusted Name: ?
Source: Zdun2017
Entity: System
Product factor: ?
Calculation: Number of shared components / Number of non-external components
Name: Ratio of shared dependencies of non-external components to possible dependencies
Adjusted Name: ?
Source: Zdun2017
Entity: System
Product factor: ?
Calculation: Number of component sharings / (Number of non-external components)²
Name: Number of External Interfaces and Number of Invocations per Interface
Adjusted Name: ?
Source: Zimmermann2015
Entity: Service
Product factor: ?
Calculation: Number of endpoints which are accessible to externals.
Name: Number of Connectors per Component / Total interactions of a component
Adjusted Name: Number of Links per Component
Source: Zimmermann2015; Tiwari2014
Entity: Service
Product factor: Coupling, Cohesion, Service independence
Calculation: Number of Links of a component
Name: Process Coordination Means
Adjusted Name: ?
Source: Zimmermann2015
Entity: System
Product factor: performance, reliability
Calculation: Number of transactional links?
Name: IPC Index and Remote Call Counter
Adjusted Name: Number of asynchronous and synchronous links
Source: Zimmermann2015
Entity: System
Product factor: Scalability, others
Calculation: Number of asynchronous and synchronous links
Name: Size of Application State and Size of User Session State
Adjusted Name: ?
Source: Zimmermann2015
Entity: System
Product factor: ?
Calculation: ?
Name: Workload Profile
Adjusted Name: ?
Source: Zimmermann2015
Entity: System
Product factor: ?
Calculation: ?
Name: Tier Counter
Adjusted Name: ?
Source: Zimmermann2015
Entity: System
Product factor: ?
Calculation: Number of tiers through which requests go for processing
Name: Clustering Index
Adjusted Name: Amount of redudancy
Source: Zimmermann2015
Entity: System
Product factor: Maintainability, Resiliency
Calculation: Deployment units / logical components
Name: Data Model Size and Data Model Structure
Adjusted Name: ?
Source: Zimmermann2015
Entity: System
Product factor: Performance, Maintainability
Calculation: Number of databases/schemas
Name: Transaction Volume and Transaction Weight.
Adjusted Name: ?
Source: Zimmermann2015
Entity: System
Product factor: ?
Calculation: ?
Name: Layers Usage
Adjusted Name: ?
Source: Zimmermann2015
Entity: System
Product factor: ?
Calculation: number of layers, the number of components per layer, the number of calls from layer to layer as well as the number of layering violations
Name: Number of Service Endpoints and Weight of Services
Adjusted Name: ?
Source: Zimmermann2015
Entity: System
Product factor: ?
Calculation: Number of Endpoints and their granularity?
Name: Number and Complexity of Service Composition Workflows
Adjusted Name: ?
Source: Zimmermann2015
Entity: System
Product factor: ?
Calculation: Number and length of composition workflows
Name: Scalability Range
Adjusted Name: ?
Source: Becker2015
Entity: System
Product factor: Scalability
Calculation: Maximum number of requests servable per time unit
Name: Scalability Speed
Adjusted Name: ?
Source: Becker2015
Entity: System
Product factor: Scalability
Calculation: Rate to achieve maximum Scalability Range
Name: Number of SLO Violations
Adjusted Name: ?
Source: Becker2015
Entity: System
Product factor: Elasticity
Calculation: SLO violations per time range
Name: Mean Time To Quality Repair
Adjusted Name: ?
Source: Becker2015
Entity: System
Product factor: Elasticity
Calculation: Time it takes to adjust to an increasing workload
Name: Resource Provisioning Efficiency
Adjusted Name: ?
Source: Becker2015
Entity: System
Product factor: Resource utilisation
Calculation: Mismatch between provisioned resources and needed resources (as a percentage)
Name: Marginal costs
Adjusted Name: ?
Source: Becker2015
Entity: System
Product factor: Cost efficiency
Calculation: costs to serve an additional workload unit
Name: % Energy saved
Adjusted Name: ?
Source: Guerron2020, JOY-2015-ICCIC (S38)
Entity: ?
Product factor: Energy Saved, Energy Consumption, Performance efficiency
Calculation: "% of energy saved = ((en � ep) / en)*100 en is the energy consumed in normal scenario, ep is the energy consumed by the proposed system"
Name: Ac_state
Adjusted Name: ?
Source: Guerron2020, LIU-2017-BDC (S48)
Entity: ?
Product factor: Access Control, Authenticity, Security
Calculation: indicates the access control state
Name: Ac_trans
Adjusted Name: ?
Source: Guerron2020, LIU-2017-BDC (S48)
Entity: ?
Product factor: Transition State, Integrity, Security
Calculation: indicates the state transition
Name: Active connections
Adjusted Name: ?
Source: Guerron2020, HU-2017-ISPDC (S35)
Entity: ?
Product factor: Connections, Connectivity, Performance efficiency
Calculation: measure the number of active connections
Name: actual turnaround time
Adjusted Name: ?
Source: Guerron2020, MANUEL-2015-AOR (S50)
Entity: ?
Product factor: Turnaround Time, Time behaviour, Performance efficiency
Calculation: actual turnaround time is the exact time between the submission of a job by a user and the delivery of the completed job to the user.
Name: Adaptability
Adjusted Name: ?
Source: Guerron2020, NADANAM-2009-ICCCNT (S53)
Entity: ?
Product factor: service Adaptability, Adaptability, Portability
Calculation: "Adaptability = W.CoV + W.CoM The weights for each metric which the sum is 1. where Coverage Of Variability (CoV) and Completeness of Variant Set (CoM). "
Name: Adaptability
Adjusted Name: ?
Source: Guerron2020, GARG-2013-FUTURE (S24)
Entity: ?
Product factor: service Adaptability, Adaptability, Portability
Calculation: measures the time taken to adapt to changes or upgrading the service to a higher level. Adaptability is the ability of the service provider to adjust changes in services based on customers� requests.
Name: Aggregate request slowdown
Adjusted Name: ?
Source: Guerron2020, DEASSUNCAO-2013-FUTURE (S18)
Entity: ?
Product factor: Capacity of a service, Capacity, Performance efficiency
Calculation: ? delays suffered by requests
Name: Agility
Adjusted Name: ?
Source: Guerron2020, RIZVI-2017-JPROCS (S61)
Entity: ?
Product factor: Agility, Elasticity, Performance efficiency
Calculation: ? | Cap_ prov(i) - Cap_min(i) |
Name: Agility manteined
Adjusted Name: ?
Source: Guerron2020, RIZVI-2017-JPROCS (S61)
Entity: ?
Product factor: Agility manteined, Elasticity, Performance efficiency
Calculation: Agility manteined = ? Excess(i)/?Cap_min(i) + ?Shortage(i)/?Cap_min(i)
Name: Allocated resource-time
Adjusted Name: ?
Source: Guerron2020, DEASSUNCAO-2013-FUTURE (S18)
Entity: ?
Product factor: Capacity of a service, Capacity, Performance efficiency
Calculation: Allocated resource-time: resource capacity � in machine- seconds � allocated to serve user requests.
Name: Allocation reactivity(Al)
Adjusted Name: ?
Source: Guerron2020, ABDELADIM-2014-CIST (S02)
Entity: ?
Product factor: Reactivity, Elasticity, Performance efficiency
Calculation: "Al = 1 - ? Min(1, Ta/(Tp - Ta)) / K where Ta: allocation time, Tp: procesing time, Tr: release time"
Name: Application capacity
Adjusted Name: ?
Source: Guerron2020, SOUZA-2016-ISCC (S69)
Entity: ?
Product factor: Application capacity, Sw Capacity, Performance efficiency
Calculation: measures the capacity of application by the number of request per minute
Name: Authenticity
Adjusted Name: ?
Source: Guerron2020, LIU-2017-BDC (S48)
Entity: ?
Product factor: Authenticity, Authenticity, Security
Calculation: Authenticity --> Real(0,1)
Name: Availability
Adjusted Name: ?
Source: Guerron2020, HEIDARI-2015-CLOUDCOM (S34)
Entity: ?
Product factor: Service Availability, Service Availability, Reliability
Calculation: "Availabiliy = MTTF/(MTTF +MTTR) MTTF stands for Mean Time To Failure MTTR stands for Mean Time To Recover."
Name: Availability
Adjusted Name: ?
Source: Guerron2020, LIU-2017-BDC (S48)
Entity: ?
Product factor: Service Availability, Service Availability, Reliability
Calculation: Availability --> Real[0,1]
Name: Availability
Adjusted Name: ?
Source: Guerron2020, BARANWAL-2016-CPE (S10)
Entity: ?
Product factor: Service Availability, Service Availability, Reliability
Calculation: Global Provider View tool by Compuware
Name: Availability of resource
Adjusted Name: ?
Source: Guerron2020, MANUEL-2015-AOR (S50,S27), GHOLAMI-2015-KBEI ( )
Entity: ?
Product factor: Service Availability, Service Availability, Reliability
Calculation: "Availability of resource Rk(AV) = Ak / Nk Nk recorded works/jobs submitted to Rk resource, Ak number of works/jobs accepted by Rk resource in T time limit"
Name: Availability
Adjusted Name: ?
Source: Guerron2020, SINGH-2015-COMPELECENG (S65)
Entity: ?
Product factor: Service Availability, Service Availability, Reliability
Calculation: "Availability =MTTF/MTBF where MTBF is Mean Time between Failures, MTTF is Mean Time to Failure"
Name: Availability SaaS provider (avEff)
Adjusted Name: ?
Source: Guerron2020, LIM-2014-IC2E (S45)
Entity: ?
Product factor: Service Availability, Service Availability, Reliability
Calculation: "avEff t-j = av SaaS t-j / (? k?K t-j avCloud t-k / |K t-j|) where K t-j is the set of cloud providers that are servicing SaaS provider j at time t"
Name: Availability of the Composite Service
Adjusted Name: ?
Source: Guerron2020, BARDHAN-2012-WCS (S12)
Entity: ?
Product factor: Composite Service Availability, Service Availability, Reliability
Calculation: Availability of the Composite Service C up to Nth minute
Name: Availability of web service
Adjusted Name: ?
Source: Guerron2020, NADANAM-2009-ICCCNT (S53)
Entity: ?
Product factor: Service Availability, Service Availability, Reliability
Calculation: "Availability = W.FoS + W.CoS + W.RT + W.CoM The weights for each metric which the sum is 1. FoS: Flexibility of service, CoS: Scalability of service, RT: Response time, CoM: Completeness of variant . "
Name: Availability Time
Adjusted Name: ?
Source: Guerron2020, BRUNEO-2014-ITPDS (S14)
Entity: ?
Product factor: Availability Time, Service Availability, Reliability
Calculation: "A(t)=1 - (E[r d1-X(t)] + E[r d2-X(t)]) where rd1 checks when the drop condition is satisfied: rd1 = ( P# run = M & P# queue = Q & P# send= D) ?1:0 and rd2 checks when a request is dropped due to the federated cloud unavailability: rd2 = (P# run = M & P# queue = Q & P# send <D) ?1 -af :0"
Name: Availability utility function
Adjusted Name: ?
Source: Guerron2020, SON-2015-ISF (S67)
Entity: ?
Product factor: Service Availability, Service Availability, Reliability
Calculation: "UP (X)= {uXmin + (1 + uXmin) .|RXP-X / RXP-IXP| where IXP ? X ? RXP, otherwise: 0, uX min is the minimum utility that the consumer and the provider receive for reaching a deal at its reserve performance. Qa be the availability performance quality at which a consensus is reached by both parties. Qa is substituted to X which are generalized utility functions for cloud QoS so that the performance utility is UQa(Qa) for reaching a consensus at Qa where IX=IQa,and RX=RQa. "
Name: average cost of scaling down
Adjusted Name: ?
Source: Guerron2020, HU-2017-ISPDC (S35)
Entity: ?
Product factor: Cost Scaling, Elasticity, Performance efficiency
Calculation: "AVCd = P/AVTd where P: renting price per renting a min of the VM"
Name: average cost of scaling up
Adjusted Name: ?
Source: Guerron2020, HU-2017-ISPDC (S35)
Entity: ?
Product factor: Cost Scaling, Elasticity, Performance efficiency
Calculation: "AVCu = P/AVTu wher P: renting price per renting a min of the VM"
Name: Average delay for a logical I/O request
Adjusted Name: ?
Source: Guerron2020, DUGGAN-2011-ICMD (S20)
Entity: ?
Product factor: Latency, Time behaviour, Performance efficiency
Calculation: Average delay for a logical I/O request.
Name: average delay time at scaling down
Adjusted Name: ?
Source: Guerron2020, HU-2017-ISPDC (S35)
Entity: ?
Product factor: Scaling Down , Elasticity, Performance efficiency
Calculation: AVTd = ? scaling down delay time/number of scaling down
Name: average delay time at scaling up
Adjusted Name: ?
Source: Guerron2020, HU-2017-ISPDC (S35)
Entity: ?
Product factor: Scaling Up, Elasticity, Performance efficiency
Calculation: AVTu= ? scaling up delay time/number of scaling up
Name: Average Energy Consumption per Request (AECpR)
Adjusted Name: ?
Source: Guerron2020, HASAN-2017-TSUSC (S31)
Entity: ?
Product factor: Energy Efficiency, Energy consumption, Performance efficiency
Calculation: AECpR= total energy consumption/total successful requests been served
Name: Average number of queries
Adjusted Name: ?
Source: Guerron2020, HECHT-20144-CLOUDCOM (S33)
Entity: ?
Product factor: Performance of the Cloud patterns, Resource utilization, Performance efficiency
Calculation: Average number of queries
Name: Average Overprovisioning resource
Adjusted Name: ?
Source: Guerron2020, HU-2017-ISPDC (S35)
Entity: ?
Product factor: Overprovisioning, Elasticity, Performance efficiency
Calculation: AVEs = The Dynamism can be evaluated as the average of free CPU capacity of all running hosts.
Name: Average Response Time
Adjusted Name: ?
Source: Guerron2020, ARUMUGAM-2017-ICCMC (S07), GARG-2013-FUTURE (S24), GUEROUT-2014-SUSCOM (S30)
Entity: ?
Product factor: Response Time, Time behaviour, Performance efficiency
Calculation: "Tavg-rep=?Trepi/n , where Trepi is the elapsed time between the request sending time and the response reception time, n is the total number of transmitted requests"
Name: Average Service Response Time
Adjusted Name: ?
Source: Guerron2020, COSTA-2015-SMARTCITY (S17)
Entity: ?
Product factor: Response Time, Time behaviour, Performance efficiency
Calculation: "ASRT ri = ? ri SRT RI /n where SRTRi is the time between the moment a request Ri is ready to run and the service executes the request effectively"
Name: Average time to install
Adjusted Name: ?
Source: Guerron2020, GARG-2013-FUTURE (S24)
Entity: ?
Product factor: Installability, Installability, Portability
Calculation: average time experienced by the previous users of the Cloud service to install it.
Name: Average Underprovisioning resource
Adjusted Name: ?
Source: Guerron2020, HU-2017-ISPDC (S35)
Entity: ?
Product factor: Underprovisioning, Elasticity, Performance efficiency
Calculation: AVEd = Underprovisioning resource/Number or Underprovisioning
Name: Awarability of Service(AoS)
Adjusted Name: ?
Source: Guerron2020, NADANAM-2009-ICCCNT (S53)
Entity: ?
Product factor: Publicity, Reusability, Maintainability
Calculation: "Awarability of Service(AoS) AoS = 1 - No. of users with services undiscoverability / total number of fields"
Name: Bandwidth
Adjusted Name: ?
Source: Guerron2020, GARCIA-2018-COMCOM (S23), HWANG-2016-TPDS (S36), SOUZA-2016-ISCC (S69), SINGH-2015-COMPELECENG (S65), BARANWAL-2014-IACC (S09)
Entity: ?
Product factor: Bandwidth, Networking Capacity, Performance efficiency
Calculation: network capacity metric. Binary rate of video, Data transfer rate or I/O processing speed
Name: Bandwidth availability
Adjusted Name: ?
Source: Guerron2020, ALJAWAD-2015-NETSOFT (S05)
Entity: ?
Product factor: Bandwidth, Networking Capacity, Performance efficiency
Calculation: "|blast?bk/blast| > thr blast is the last updated value of the available bandwidth metric and bk is the current state of the metric."
Name: Bandwidth blocking rate
Adjusted Name: ?
Source: Guerron2020, ALJAWAD-2015-NETSOFT (S05)
Entity: ?
Product factor: Bandwidth, Networking Capacity, Performance efficiency
Calculation: "bandwidth blocking rate = ? Bandwidth of rejected requests/ ? Bandwidth of arrived requests, "
Name: Bandwidth capacity
Adjusted Name: ?
Source: Guerron2020, CERVINO-2011-CLOUD (S16), BARANWAL-2016-CPE (S10)
Entity: ?
Product factor: Bandwidth, Networking Capacity, Performance efficiency
Calculation: measure the limits of available Amazon network�s bandwidth.
Name: Base Energy Consumption
Adjusted Name: ?
Source: Guerron2020, DOU-2015-TICACBD (S19)
Entity: ?
Product factor: Energy Consumption, Energy Consumption, Performance efficiency
Calculation: "EBase = ttotal ? P * , where ttotal is the total open time of the server S, P* is the base power of S"
Name: blkio_io_bytes_read
Adjusted Name: ?
Source: Guerron2020, TAHERIZADEH-2017-COMPSAC (S70)
Entity: ?
Product factor: Bytes read from hard disk, Physical utilization, Performance efficiency
Calculation: measures the bytes read from hard disk
Name: blkio_io_bytes_write
Adjusted Name: ?
Source: Guerron2020, TAHERIZADEH-2017-COMPSAC (S70)
Entity: ?
Product factor: Bytes written to hard disk, Physical utilization, Performance efficiency
Calculation: measures the bytes written to hard disk
Name: Buffer Access Latency (BAL)
Adjusted Name: ?
Source: Guerron2020, DUGGAN-2011-ICMD (S20)
Entity: ?
Product factor: Latency, Time behaviour, Performance efficiency
Calculation: Buffer Access Latency (BAL)
Name: Capacity Avg
Adjusted Name: ?
Source: Guerron2020, RAVINDHREN-2017-CC (S58)
Entity: ?
Product factor: Capacity of a service, Capacity, Performance efficiency
Calculation: Capacity Avg = average utilization over a period of time of the workloads handled by the system.
Name: Capacity Max
Adjusted Name: ?
Source: Guerron2020, GUEROUT-2014-SUSCOM (S30)
Entity: ?
Product factor: Capacity of a service, Capacity, Performance efficiency
Calculation: capacity ? = upper limit of the number of requests (per second) a service is able to process.
Name: Capacity Min
Adjusted Name: ?
Source: Guerron2020, RIZVI-2017-JPROCS (S61)
Entity: ?
Product factor: Capacity of a service, Capacity, Performance efficiency
Calculation: Cap_min= difference between the minimum capacity needed to meet the QOS at a given workload level for an interval i
Name: Capacity of service provider
Adjusted Name: ?
Source: Guerron2020, BARANWAL-2014-IACC (S09)
Entity: ?
Product factor: Capacity of a service, Capacity, Performance efficiency
Calculation: "capacityi= ?(Fij*Wj) F=[cpu, mem, sto, bw] Wj = weights of capacity of cpu, mem, sto, bw"
Name: Capacity provisioned
Adjusted Name: ?
Source: Guerron2020, RIZVI-2017-JPROCS (S61)
Entity: ?
Product factor: Capacity provisioned, Capacity, Performance efficiency
Calculation: Cap_prov = recorded capacity provisioned for interval i
Name: Capacity ratio
Adjusted Name: ?
Source: Guerron2020, PREUVENEERS-2016-JSS (S55)
Entity: ?
Product factor: Capacity ratio, Capacity, Performance efficiency
Calculation: "C(p) = X (p) /X (1) The relative capacity curve C ( p ) is a good indicator for how much the observed behavior diverges from the ideal linear scalability C L (p) = p."
Name: Certification
Adjusted Name: ?
Source: Guerron2020, BARANWAL-2016-CPE (S10)
Entity: ?
Product factor: Certification, Confidentiality, Security
Calculation: Type of cerfication
Name: Cloud Energy consumption
Adjusted Name: ?
Source: Guerron2020, DOU-2015-TICACBD (S19)
Entity: ?
Product factor: Energy Consumption, Energy Consumption, Performance efficiency
Calculation: "ECloud = ?ES + ?ESCom ECloud is the total energy consumption of the cloud infrastructure, ES is the energy consumption of server S, and ?ES is the energy consumption of all servers in use, ESCom is the energy consumption for communication between two servers, and ?ESCom is the energy consumption for communication among all servers."
Name: Cloud Energy consumption
Adjusted Name: ?
Source: Guerron2020, JOY-2015-ICCIC (S38)
Entity: ?
Product factor: Energy Consumption, Energy Consumption, Performance efficiency
Calculation: "Etotal = Efix + ?ECtsi + ?ECtci + ?ECtti + Esche where i= 1 to n Total energy consumption in the cloud environment can be summed up as the energy consumed in all three tasks namely data intensive ECtsi, computation intensive ECtci and communication intensive ECtti where tsi,tci and tti is the ID of each tasks subsequently"
Name: Cloud Energy consumption
Adjusted Name: ?
Source: Guerron2020, JOY-2015-ICCIC (S38)
Entity: ?
Product factor: Energy Consumption, Energy Consumption, Performance efficiency
Calculation: Total Energy consumption = (Fixed energy consumption+ Storage energy consumption + Computation energy consumption + Communication Energy consumption)
Name: Cloud power consumption
Adjusted Name: ?
Source: Guerron2020, JOY-2015-ICCIC (S38)
Entity: ?
Product factor: Cloud Energy Consumption, Energy Consumption, Performance efficiency
Calculation: "E = ?EDC+ ?ET E is the total energy consumption, EDC is the data centers energy consumption, ET is the transmission energy consumption."
Name: Communication Resource Utilization
Adjusted Name: ?
Source: Guerron2020, ABD-2017-JOCS (S01)
Entity: ?
Product factor: Energy Efficiency, Energy Consumption, Performance efficiency
Calculation: "RU = fcmi(Ncmi, DPcmi, DTcmi, SCi) where Ncmi is the Process Number communication, Dpcmi is the Size of Data Processed communication, Dtcmi is the Size of Data Transmitted communication"
Name: Completeness of variant set(CoM)
Adjusted Name: ?
Source: Guerron2020, NADANAM-2009-ICCCNT (S53)
Entity: ?
Product factor: Completeness of variant set, Service Availability, Reliability
Calculation: CoM = ? (number of variants supported in variant point/total number or potencial variants in variant point) /n
Name: Completion mean time
Adjusted Name: ?
Source: Guerron2020, SOUZA-2016-ISCC (S69)
Entity: ?
Product factor: "Completion time ", Time behaviour, Performance efficiency
Calculation: Mean time of response: avg (time of response)
Name: Completion standard deviation time (asynchronous task)
Adjusted Name: ?
Source: Guerron2020, SOUZA-2016-ISCC (S69)
Entity: ?
Product factor: "Completion time", Time behaviour, Performance efficiency
Calculation: Standard deviation time of response
Name: Composability
Adjusted Name: ?
Source: Guerron2020, NADANAM-2009-ICCCNT (S53)
Entity: ?
Product factor: Composability, Co-existence, Compatibility
Calculation: "Composability = W.SM + W.SI Service Modularity, SM, and Service Interoperability SI, W weight assigned based on the importance The weights for each metric which the sum is 1."
Name: Compute usage
Adjusted Name: ?
Source: Guerron2020, GARG-2013-FUTURE (S24)
Entity: ?
Product factor: Compute usage, Physical utilization, Performance efficiency
Calculation: measures the compute usage
Name: Computing Capacity
Adjusted Name: ?
Source: Guerron2020, SINGH-2015-COMPELECENG (S65)
Entity: ?
Product factor: Computing Capacity, Capacity, Performance efficiency
Calculation: Computing Capacity = Actual Usage time of the Resource/Expected Usage time of the Resource
Name: Conference start time
Adjusted Name: ?
Source: Guerron2020, ALAM-2016-ISCC (S04)
Entity: ?
Product factor: Conference start time, Time behaviour, Performance efficiency
Calculation: Conference start time= time conference ready - time receipt of a request
Name: Connections utilization
Adjusted Name: ?
Source: Guerron2020, HU-2017-ISPDC (S35)
Entity: ?
Product factor: Connections utilization, Networking utilization, Performance efficiency
Calculation: Connections utilization = current connections / total available connections *100
Name: Content_cc
Adjusted Name: ?
Source: Guerron2020, LIU-2017-BDC (S48)
Entity: ?
Product factor: Storage utilization, Physical utilization, Performance efficiency
Calculation: Content_cc= (Content Data_scale --> Integritymetrics)
Name: correlation performance security
Adjusted Name: ?
Source: Guerron2020, XU-2018-ACCESS (S79)
Entity: ?
Product factor: correlation performance security, Time behaviour, Performance efficiency
Calculation: "E(?(x)) = ? Na(x, n) � ?(x) (Na(x, n)) reflects the impact of security factors on the number of available VMs. (?(x)) reflects the impact of the number of available VMs on the service performance."
Name: Cost (c)
Adjusted Name: ?
Source: Guerron2020, HU-2017-ISPDC (S35)
Entity: ?
Product factor: Cost Scaling, Elasticity, Performance efficiency
Calculation: "c = (AVCu +AVCd) /2 average price AVCu and AVCd to describe the cost of scaling up and scaling down"
Name: Coverage of Failure Recovery (CFR)
Adjusted Name: ?
Source: Guerron2020, LEE-2009-ACIS (S44)
Entity: ?
Product factor: Failure Recovery, Recoverability, Reliability
Calculation: "CFR=(number of failures remedied) /(total number of failures),where the denominator is the total number of failures caused by faults"
Name: Coverage of Fault Tolerance (CFT)
Adjusted Name: ?
Source: Guerron2020, LEE-2009-ACIS (S44)
Entity: ?
Product factor: Fault tolerance, Fault tolerance, Reliability
Calculation: "CFT =(number of faults without becoming failures)/(total number of faults occurred), where the denominator is the total number of occurring faults identified and the numerator is the number of faults which do not cause failures"
Name: Coverage of Scalability
Adjusted Name: ?
Source: Guerron2020, GHAHRAMANI-2017-JAS (S26), ABDELADIM-2014-CIST (S02), LEE-2009-ACIS (S44), NADANAM-2009-ICCCNT (S53)
Entity: ?
Product factor: Coverage of Scalability, Scalability, Performance efficiency
Calculation: "COS = ?(amount of allocated resources of ist request)/(total amount of requested resources of ist request) /k where k is the total number of requests for extending resources used"
Name: Coverage of Variability
Adjusted Name: ?
Source: Guerron2020, NADANAM-2009-ICCCNT (S53)
Entity: ?
Product factor: Variability, Reusability, Maintainability
Calculation: "CoV = 1 - No.variation point not supported / total number of Variation points , where denominator the total number of potential variation points by considering and protruding its set of users applications, numerator is the number of variation points not supported by the service"
Name: Coverage of Variability rate
Adjusted Name: ?
Source: Guerron2020, LEE-2009-ACIS (S44)
Entity: ?
Product factor: Variability, Reusability, Maintainability
Calculation: "CV = (number of variation points realized in the SaaS) / (number of variation points in the domain), where denominator is the number of variation points identified for SRSs in the domain."
Name: CPU capacity
Adjusted Name: ?
Source: Guerron2020, BARANWAL-2014-IACC (S09,S10), BARANWAL-2016-CPE ( )
Entity: ?
Product factor: CPU capacity, CPU Capacity, Performance efficiency
Calculation: CPU capacity = number of CPU * frequency of CPU
Name: CPU Frequency
Adjusted Name: ?
Source: Guerron2020, SOUZA-2016-ISCC (S69)
Entity: ?
Product factor: CPU capacity, CPU Capacity, Performance efficiency
Calculation: measures the CPU Frequency
Name: CPU performance
Adjusted Name: ?
Source: Guerron2020, ZANT-2015-JCC (S81)
Entity: ?
Product factor: CPU performance, Physical Time behaviour, Performance efficiency
Calculation: measures the number of iterations per second.
Name: CPU Performance Coefficient(CPU-PC)
Adjusted Name: ?
Source: Guerron2020, MASTELIC-2012-CLOUDCOM (S51)
Entity: ?
Product factor: CPU Downtime, Resource Availability, Reliability
Calculation: "CPU-PC = cpu unavailable/ cpu cores * ti "
Name: CPU Power consumption
Adjusted Name: ?
Source: Guerron2020, JOY-2015-ICCIC (S38)
Entity: ?
Product factor: CPU Power consumption, Physical Energy Consumption, Performance efficiency
Calculation: "Power consumed by the CPU = k * Pmax + ( 1- k ) * Pmax * u where Pmax is the maximum CPU utilization"
Name: CPU utilization
Adjusted Name: ?
Source: Guerron2020, HU-2017-ISPDC (S35)
Entity: ?
Product factor: CPU utilization , Physical utilization, Performance efficiency
Calculation: CPU utilization = current occupied computing resource / total computing resource
Name: CPU_unavailable
Adjusted Name: ?
Source: Guerron2020, MASTELIC-2012-CLOUDCOM (S51)
Entity: ?
Product factor: CPU Downtime, Resource Availability, Reliability
Calculation: Actual unavailability time of the CPU(CPU_unavailable)
Name: cpu_usage
Adjusted Name: ?
Source: Guerron2020, TAHERIZADEH-2017-COMPSAC (S70)
Entity: ?
Product factor: CPU usage Container, Virtualized utilization, Performance efficiency
Calculation: measures the percentage of CPU usage of container
Name: cpuUsedPercent
Adjusted Name: ?
Source: Guerron2020, TAHERIZADEH-2017-COMPSAC (S70)
Entity: ?
Product factor: CPU usage VM, Virtualized utilization, Performance efficiency
Calculation: measures the percentage of CPU utilization of VM
Name: CReset
Adjusted Name: ?
Source: Guerron2020, LIU-2017-BDC (S48)
Entity: ?
Product factor: Reset state, Time behaviour, Performance efficiency
Calculation: measures the reseting clock after state transition
Name: Customizability
Adjusted Name: ?
Source: Guerron2020, SINGH-2015-COMPELECENG (S65)
Entity: ?
Product factor: Customizability workload, Elasticity, Performance efficiency
Calculation: "Nd/(Nd+Ns) where Nd: Number of dynamic changes in a Cloud service with respect to a workload. Ns: Number of static changes in a Cloud service with respect to a workload."
Name: Data centre location
Adjusted Name: ?
Source: Guerron2020, BARANWAL-2014-IACC (S09,S10), BARANWAL-2016-CPE ( )
Entity: ?
Product factor: Data centre location, Time behaviour, Performance efficiency
Calculation: "yi?x, yi = number of data centres provided by provider, x = number of data centres required by an application "
Name: Data communication
Adjusted Name: ?
Source: Guerron2020, GARG-2013-FUTURE (S24)
Entity: ?
Product factor: Data communication, Networking utilization, Performance efficiency
Calculation: measures the data communication
Name: Data Integrity
Adjusted Name: ?
Source: Guerron2020, MANUEL-2015-AOR (S50), GHOLAMI-2015-KBEI (S27), KAANICHE-2017-EDGE (S39)
Entity: ?
Product factor: Data Integrity, Integrity, Security
Calculation: "Data Integrity of resource Rk(DI) = Dk / Ck Ck jobs completed successfully by resource Rk, Dk denote the number of jobs data integrity preserved by resource Rk over the period T, checks if the resource correctly stores data"
Name: Data loss
Adjusted Name: ?
Source: Guerron2020, RIZVI-2017-JPROCS (S61)
Entity: ?
Product factor: Data loss, Resource recoverability, Reliability
Calculation: MTTDL mean time to data loss
Name: Data transfer rate
Adjusted Name: ?
Source: Guerron2020, GHAHRAMANI-2017-JAS (S26)
Entity: ?
Product factor: Data transfer, Physical Time behaviour, Performance efficiency
Calculation: measures how fast the service is provided
Name: Data transfer time
Adjusted Name: ?
Source: Guerron2020, BOUSSELMI-2016-AINA (S13)
Entity: ?
Product factor: Data transfer, Physical Time behaviour, Performance efficiency
Calculation: "Dj = ? DT i,l Dj is the maximum data to be stored in the storage resource Dsj associated to VMl where DT i,l ? 0 if the task i and l are related in the Workflow"
Name: Data transmission speed achieved
Adjusted Name: ?
Source: Guerron2020, SAIZ-2014-IKAC (S63)
Entity: ?
Product factor: Data transmission performance, Capacity, Performance efficiency
Calculation: Mean value and standard deviation of transmission rate
Name: data_alteration_prevention
Adjusted Name: ?
Source: Guerron2020, KAANICHE-2017-EDGE (S39)
Entity: ?
Product factor: Data Integrity, Integrity, Security
Calculation: verifies if the resource correctly implements security measures to preserve data integrity.
Name: data_alteration_slo
Adjusted Name: ?
Source: Guerron2020, KAANICHE-2017-EDGE (S39)
Entity: ?
Product factor: Data Integrity, Integrity, Security
Calculation: precondition says that the SLO is valid whenever the evaluation of the composite metric is true
Name: data_replication
Adjusted Name: ?
Source: Guerron2020, KAANICHE-2017-EDGE (S39)
Entity: ?
Product factor: Replication Policy, Integrity, Security
Calculation: measures the data_replication. Verifies if the resource correctly deploys the replication policy
Name: Database Backup
Adjusted Name: ?
Source: Guerron2020, SINGH-2015-COMPELECENG (S65)
Entity: ?
Product factor: Database Backup, Resource recoverability, Reliability
Calculation: measures the Database Backup for every cloud service (CS)
Name: DB sever commits
Adjusted Name: ?
Source: Guerron2020, SINGH-2015-COMPELECENG (S65)
Entity: ?
Product factor: DB sever, Physical Time behaviour, Performance efficiency
Calculation: measures the number of commits per second
Name: Defective Operations Per Millon attemps (DPM)
Adjusted Name: ?
Source: Guerron2020, ABRAHAO-2017-SERVICES (S03)
Entity: ?
Product factor: Defective Operation, Service Availability, Reliability
Calculation: DPM= (OperationsAttempted - OperationsSuccessful) / OperationsAttempted * 10^6
Name: Defective Operations Per Millon attemps (DPM)
Adjusted Name: ?
Source: Guerron2020, ABRAHAO-2017-SERVICES (S03)
Entity: ?
Product factor: Defective Operation, Service Availability, Reliability
Calculation: DPM= OperationsFailed / OperationsAttempted * 10^6
Name: Defective Operations Per Millon attemps (DPM)
Adjusted Name: ?
Source: Guerron2020, ABRAHAO-2017-SERVICES (S03)
Entity: ?
Product factor: Defective Operation, Service Availability, Reliability
Calculation: DPM= OperationsFailed / (OperationsSuccesful+ OperationsFailed) * 10^6
Name: Defects
Adjusted Name: ?
Source: Guerron2020, SINGH-2015-COMPELECENG (S65)
Entity: ?
Product factor: Defects, Analysability, Maintainability
Calculation: Number of Defects reported= Defects/CS
Name: Degradation time
Adjusted Name: ?
Source: Guerron2020, BRUNEO-2014-ITPDS (S14)
Entity: ?
Product factor: Resiliency, Recoverability, Reliability
Calculation: "T?,deg = td - tb It is the time Tdeg elapsed between the burst begin (tb) and the instant (td) at which the performance index reaches a value lower to the ?- 100% of its steady-state value"
Name: Delay
Adjusted Name: ?
Source: Guerron2020, SOUZA-2016-ISCC (S69), CERVINO-2011-CLOUD (S16), SAIZ-2014-IKAC (S63)
Entity: ?
Product factor: Delay, Networking Time Behaviour, Performance efficiency
Calculation: The core network that will be used only as a transport network may introduce inherent propagation delays., Mean value and standard deviation of the delay (in milliseconds).
Name: Delay
Adjusted Name: ?
Source: Guerron2020, PEDERSEN-2011-DASC (S54)
Entity: ?
Product factor: Delay, Networking Time Behaviour, Performance efficiency
Calculation: Measured as the round trip time for packets, simply using the standard Ping command.
Name: Delay Time
Adjusted Name: ?
Source: Guerron2020, BARBA-2016-JNCA (S11), GHAHRAMANI-2017-JAS (S26)
Entity: ?
Product factor: Delay, Networking Time Behaviour, Performance efficiency
Calculation: "T Dij= Trij + Tnij + TOg where Trij is the response time from the cloud storage, TOg is the delay time in the gateway caused by the redirection overhead, and Tnij is the network time the request takes to travel from client i to cloud j."
Name: Delay Time
Adjusted Name: ?
Source: Guerron2020, HU-2017-ISPDC (S35)
Entity: ?
Product factor: Delay, Networking Time Behaviour, Performance efficiency
Calculation: Delay time: time getting resource - time requesting resource
Name: Delta
Adjusted Name: ?
Source: Guerron2020, GARCIA-2018-COMCOM (S23)
Entity: ?
Product factor: Delta, Networking Time Behaviour, Performance efficiency
Calculation: measures the packet inter-arrival time per RTP packet
Name: Density App
Adjusted Name: ?
Source: Guerron2020, RIZVI-2017-JPROCS (S61)
Entity: ?
Product factor: Density App, Sw Time behaviour, Performance efficiency
Calculation: mesures the number of application servers running on a system
Name: Density User
Adjusted Name: ?
Source: Guerron2020, RIZVI-2017-JPROCS (S61)
Entity: ?
Product factor: Density User, Resource utilization, Performance efficiency
Calculation: measure the number of users that the system can service
Name: Density VM
Adjusted Name: ?
Source: Guerron2020, RIZVI-2017-JPROCS (S61)
Entity: ?
Product factor: Density VM, Virtualized utilization, Performance efficiency
Calculation: number of virtual machines running on a piece of physical software
Name: Dependability
Adjusted Name: ?
Source: Guerron2020, RAVINDRAN-2013-DSRT (S59)
Entity: ?
Product factor: Dependability, Adaptability, Portability
Calculation: DS(e,G), is a measure of how good the system S meets its goal G under the environment condition e ? E?.
Name: Deployment latency
Adjusted Name: ?
Source: Guerron2020, VEDAM-2012-IACSAC (S71)
Entity: ?
Product factor: Deployment latency, Elasticity, Performance efficiency
Calculation: deployment latency = time actual provisioning of that cloud instance - time requesting for a cloud instance
Name: Disk input output (I/O) performance
Adjusted Name: ?
Source: Guerron2020, ZANT-2015-JCC (S81)
Entity: ?
Product factor: Performance of Virtual Machine, Virtualized utilization, Performance efficiency
Calculation: refers to the property of storing data on a permanent basis, and it corresponds to the evaluation of the VM Disk storage
Name: Disk read
Adjusted Name: ?
Source: Guerron2020, HU-2017-ISPDC (S35)
Entity: ?
Product factor: Storage capacity, Physical Capacity, Performance efficiency
Calculation: measures the speed of reading disk
Name: Disk utilization
Adjusted Name: ?
Source: Guerron2020, HU-2017-ISPDC (S35)
Entity: ?
Product factor: Disk utilization, Physical utilization, Performance efficiency
Calculation: Disk utilization = current occupied disk resource/total disk resource
Name: Disk write
Adjusted Name: ?
Source: Guerron2020, HU-2017-ISPDC (S35)
Entity: ?
Product factor: Storage capacity, Physical Capacity, Performance efficiency
Calculation: measures the speed of writing disk
Name: diskFree
Adjusted Name: ?
Source: Guerron2020, TAHERIZADEH-2017-COMPSAC (S70)
Entity: ?
Product factor: Disk utilization, Physical utilization, Performance efficiency
Calculation: measures the amount of available disk capacity
Name: diskUsed
Adjusted Name: ?
Source: Guerron2020, TAHERIZADEH-2017-COMPSAC (S70)
Entity: ?
Product factor: Disk utilization, Physical utilization, Performance efficiency
Calculation: measures the amount of used disk capacity
Name: Data centre distance
Adjusted Name: ?
Source: Guerron2020, BARANWAL-2014-IACC (S09,S10), BARANWAL-2016-CPE ( )
Entity: ?
Product factor: Data centre location, Time behaviour, Performance efficiency
Calculation: For finding data centres as per the requirement of application find the distance between each service location and data centre and add them.
Name: Downtime
Adjusted Name: ?
Source: Guerron2020, CEDILLO-2015-SCC (S15)
Entity: ?
Product factor: Downtime, Service Availability, Reliability
Calculation: Downtime = (Uptime2.PreciseTimeStamp - Uptime1. PreciseTimeStamp) - Uptime 2
Name: Downtime%
Adjusted Name: ?
Source: Guerron2020, BAO-2010-ICACTE (S08)
Entity: ?
Product factor: Downtime, Service Availability, Reliability
Calculation: "UAv(s)= ( ?SF(t) / AG(t) ) x 100% SF(t) is the service unavailable time during the negotiated time, AG(t) is the negotiated time."
Name: Durability
Adjusted Name: ?
Source: Guerron2020, RIZVI-2017-JPROCS (S61)
Entity: ?
Product factor: Durability, Recoverability, Reliability
Calculation: "Durability = (MTTF/ (MTTDL *MTTR)) MTTF represents mean time to multiple failures, MTTDL represents mean time to data loss MTTR represents the mean time to repair (downtime)"
Name: Duration of a single outage
Adjusted Name: ?
Source: Guerron2020, SOUZA-2016-ISCC (S69)
Entity: ?
Product factor: Downtime, Service Availability, Reliability
Calculation: outage end time - outage begin
Name: Dynamic changes
Adjusted Name: ?
Source: Guerron2020, SINGH-2015-COMPELECENG (S65)
Entity: ?
Product factor: Customizability workload, Elasticity, Performance efficiency
Calculation: Number of dynamic changes in a Cloud service /workload (Nd)
Name: Dynamism or �Latent Capacity�,
Adjusted Name: ?
Source: Guerron2020, GUEROUT-2014-SUSCOM (S30)
Entity: ?
Product factor: Latent Capacity, Capacity, Performance efficiency
Calculation: "If the hosts have DVFS enabled, the Dynamism is computed rel- atively to the maximum CPU capacity and the current capacity used Dyn = (? f,cpu ?? f,cpu )/nH, where f is the highest CPU frequency allowed and nH only includes hosts that are powered On"
Name: Effective arrival
Adjusted Name: ?
Source: Guerron2020, XU-2018-ACCESS (S79)
Entity: ?
Product factor: Effective arrival, Resource utilization, Performance efficiency
Calculation: "?e = ?(1 ? qL) ? is the arrival rate of tasks. qL represents the probability that the task queue is full. When the queue is full, a new arriving task is abandoned"
Name: Efficiency
Adjusted Name: ?
Source: Guerron2020, HWANG-2016-TPDS (S36)
Entity: ?
Product factor: Efficiency, Resource utilization, Performance efficiency
Calculation: % max Performance (speedup or utilization) achievable
Name: Efficiency
Adjusted Name: ?
Source: Guerron2020, LEE-2009-ACIS (S44), NADANAM-2009-ICCCNT (S53)
Entity: ?
Product factor: Efficiency, Resource utilization, Performance efficiency
Calculation: "Efficiency= W.RU + W.TB where Time Behaviour (TB), Resource Utilization (RU)"
Name: Efficiency
Adjusted Name: ?
Source: Guerron2020, GARG-2013-FUTURE (S24), BARANWAL-2016-CPE ( S10), BARANWAL-2014-IACC (S09)
Entity: ?
Product factor: Efficiency, Resource utilization, Performance efficiency
Calculation: "System efficiency = E=T/(T+To) T: the execution of tasks of an application in traditional data center To: the overhead of Cloud data centre"
Name: Elasticity
Adjusted Name: ?
Source: Guerron2020, GHAHRAMANI-2017-JAS (S26)
Entity: ?
Product factor: Cloud elasticity, Elasticity, Performance efficiency
Calculation: "Ec = Tj/ Tm = 1 ?(Tu +To)/Tm percentage of time when the platform is in just-in-need states. Tu is the under-provisioning time that the cloud platform needs to switch from an under-provisioning state to a corresponding balanced state To denotes the over- provisioning time in which cloud platform needs to switch from an over-provisioning state to a balanced one in those periods of time."
Name: Elasticity
Adjusted Name: ?
Source: Guerron2020, HU-2017-ISPDC (S35)
Entity: ?
Product factor: Cloud elasticity, Elasticity, Performance efficiency
Calculation: "Eq =1/6 (AVEs + AVEd) (AVTu + AVTd) (AVCu + AVCd ) where average cost of scaling down (AVCd), average cost of scaling up (AVCu), average delay time at scaling down (AVTd),average delay time at scaling up (AVTu), Average Overprovisioning resource (AVEs) Average Underprovisioning resource (AVEd)"
Name: Elasticity
Adjusted Name: ?
Source: Guerron2020, GUEROUT-2014-SUSCOM (S30)
Entity: ?
Product factor: Cloud elasticity, Elasticity, Performance efficiency
Calculation: "Ra= the capacity variation to the previous capacity/ the necessary time for this reconfiguration(Trcf sc?,?). Then Ra is defined by two variables: the necessary time Trcf sc?,? to increase or decrease the service and the maximum capacity variation of the service. The maximum processing capacity of a service is considered as the number of computing units and their respective maximum capacity that can be allocated during an attendance peak."
Name: Elasticity
Adjusted Name: ?
Source: Guerron2020, HWANG-2016-TPDS (S36)
Entity: ?
Product factor: Cloud elasticity, Elasticity, Performance efficiency
Calculation: "El,= 1/(?*?) where ?= the average time to switch from an under-provisioned state to an elevated state, ?= be the offset between actual scaling and the auto scaling."
Name: Elasticity
Adjusted Name: ?
Source: Guerron2020, ZHENG-2014-TII (S82,S83), ZHENG-2013-SCC ( )
Entity: ?
Product factor: Cloud elasticity, Elasticity, Performance efficiency
Calculation: "ELAS= ? = ? r i1 / ?r i2 where r i1 y r i2 denote the i1, i2 amount of resources allocated and requested in the ith request, respectively, and n is the number of requests that issued in an operational period."
Name: Elasticity rate
Adjusted Name: ?
Source: Guerron2020, BARANWAL-2014-IACC (S09,S10), BARANWAL-2016-CPE ( )
Entity: ?
Product factor: Cloud elasticity, Elasticity, Performance efficiency
Calculation: Elasticity=w1time+w2cost
Name: Ending Time(Te)
Adjusted Name: ?
Source: Guerron2020, QIAN-2015-AICDEBS (S56)
Entity: ?
Product factor: Performance of matching algorithms, Time behaviour, Performance efficiency
Calculation: TE = te ? tl
Name: VM Energy consumption
Adjusted Name: ?
Source: Guerron2020, WU-2015-ICIEA (S75)
Entity: ?
Product factor: VM Energy consumption, Virtualized Energy Consumption, Performance efficiency
Calculation: represents the amount of energy consumption that VMj consumes to process ?ij data block for request Ri
Name: Energy Cost
Adjusted Name: ?
Source: Guerron2020, GUEROUT-2014-SUSCOM (S30)
Entity: ?
Product factor: Energy Cost, Physical Energy Consumption, Performance efficiency
Calculation: "P(Fi) = ? (Pfull(Fi) ? Pidle(Fi) + Pidle(Fi), where ? is the CPU load, Pfull(Fi) and Pidle(Fi) are the power given by the host using the Fi frequency at 100% and 0% of CPU utilization."
Name: Energy efficiency
Adjusted Name: ?
Source: Guerron2020, ARUMUGAM-2017-ICCMC (S07)
Entity: ?
Product factor: Energy Efficiency, Energy Consumption, Performance efficiency
Calculation: EE = (?Storage capacity + ? Network capacity)/Total Energy
Name: Excess capacity
Adjusted Name: ?
Source: Guerron2020, RIZVI-2017-JPROCS (S61)
Entity: ?
Product factor: Capacity of a service, Capacity, Performance efficiency
Calculation: "Excess(i) = Cap_prov(i)�Cap_min(i), when Cap_prov(i) > Cap_min(i) and zero otherwise."
Name: Execution Cost
Adjusted Name: ?
Source: Guerron2020, VEDAM-2012-IACSAC (S71)
Entity: ?
Product factor: Performance of the infrastructure, Time behaviour, Performance efficiency
Calculation: "C = (Ci * T) + (Cs * S * T) + (Cb * B) Where C = Total Cost ci = Cost of the cloud instance per hour cs = Cost of the storage per Megabits per hour (In most cases this is bundled with the instance cost and so is zero.) cb = Cost of the data transfer per Kilobits T = Time taken for the task to run rounded off the nearest higher whole number. S = Storage consumed in Megabits B = Data transferred in Kilobits"
Name: Execution Time
Adjusted Name: ?
Source: Guerron2020, GUEROUT-2014-SUSCOM (S30)
Entity: ?
Product factor: Execution time, Time behaviour, Performance efficiency
Calculation: "Execution Time=Treq,s ex= ? req,s f,cpu / ?v,h.?,? Execution Time depends on the complexity of the request req to be executed (i.e. number of instructions, denoted ?req,s-f,cpu)and the VM capacity, denoted ?v,h?,? , where the request is processed. "
Name: Execution time
Adjusted Name: ?
Source: Guerron2020, HWANG-2016-TPDS (S36,S13,S19), BOUSSELMI-2016-AINA ( ), DOU-2015-TICACBD ()
Entity: ?
Product factor: Execution time, Time behaviour, Performance efficiency
Calculation: measures the time elapsed during program or job execution.
Name: Expected Request completion time
Adjusted Name: ?
Source: Guerron2020, XIA-2015-ITASE (S76)
Entity: ?
Product factor: Response Time, Time behaviour, Performance efficiency
Calculation: "E(RCT) = E(FLT) + E(RTqFLT denote the interval between the time when the first job arrives at PM queue and the time when the last one g job is done.RTq Resonse Time for queue"
Name: Failure Recovery
Adjusted Name: ?
Source: Guerron2020, NADANAM-2009-ICCCNT (S53)
Entity: ?
Product factor: Failure Recovery, Recoverability, Reliability
Calculation: FR = 1 - number of failure not rectified/total number of failure
Name: Fault Tolerance ratio
Adjusted Name: ?
Source: Guerron2020, NADANAM-2009-ICCCNT (S53)
Entity: ?
Product factor: Fault Tolerance ratio, Fault tolerance, Reliability
Calculation: FT = 1 - number of faults becoming failure/total number of faults occured
Name: Fault tolerance(FTs)
Adjusted Name: ?
Source: Guerron2020, GUEROUT-2014-SUSCOM (S30)
Entity: ?
Product factor: Fault tolerance, Fault tolerance, Reliability
Calculation: "FTs = f(?M, ?N, ?SW)If it is assumed that the physical machine and network errors make the service unreachable, then only software errors(?SW) should be taken into account."
Name: File transfer rate
Adjusted Name: ?
Source: Guerron2020, SINGH-2015-COMPELECENG (S65)
Entity: ?
Product factor: Data Transfer, Physical Time behaviour, Performance efficiency
Calculation: measures the file server transfer in MB per second
Name: Fineness of multiplexing(F)
Adjusted Name: ?
Source: Guerron2020, YU-2015-SCN (S80)
Entity: ?
Product factor: Fineness of Flow Control, Energy Consumption, Performance efficiency
Calculation: "f ? p'/pwhere f is the fineness of multiplexing, which is the ratio of p' and p (optimal impact power and the impact power)"
Name: Flexibility
Adjusted Name: ?
Source: Guerron2020, ARUMUGAM-2017-ICCMC (S07)
Entity: ?
Product factor: Flexibility, Flexibility, Maintainability
Calculation: upgrading the service/ total time
Name: Flexibility
Adjusted Name: ?
Source: Guerron2020, EZENWOKE-2018-JCC (S21)
Entity: ?
Product factor: Flexibility, Flexibility, Maintainability
Calculation: rating of the ability to add or remove predefined features from a service in order to accommodate users� preferences
Name: Flexibility of service(FOS)
Adjusted Name: ?
Source: Guerron2020, NADANAM-2009-ICCCNT (S53)
Entity: ?
Product factor: Service Availability, Service Availability, Reliability
Calculation: FOS= 1 - unavailable time for invoking web service/total time for opearing the web services
Name: Flow in
Adjusted Name: ?
Source: Guerron2020, HU-2017-ISPDC (S35)
Entity: ?
Product factor: Bandwidth, Networking Capacity, Performance efficiency
Calculation: measures the bandwidth of flow in, and the flow isn�t limited
Name: Flow out
Adjusted Name: ?
Source: Guerron2020, HU-2017-ISPDC (S35)
Entity: ?
Product factor: Bandwidth, Networking Capacity, Performance efficiency
Calculation: measures the bandwidth of flow out, and the peak flow decided by ECS
Name: Functional Commonality(FC)
Adjusted Name: ?
Source: Guerron2020, NADANAM-2009-ICCCNT (S53,S44), LEE-2009-ACIS ( )
Entity: ?
Product factor: Functional Commonality, Reusability, Maintainability
Calculation: 131"
Name: Gaming Response Time
Adjusted Name: ?
Source: Guerron2020, WANG-2012-SMCCR (S73)
Entity: ?
Product factor: Response Time, Time behaviour, Performance efficiency
Calculation: "RT= Rdelay + Ds + Dr + Df + De + Dc Where Df = 1/(2*FR) Ds as service delay, Dr as rendering delay, Df as average value of Tframe, De encodinf delay, Dc coding delay"
Name: Gap Time(Tg)
Adjusted Name: ?
Source: Guerron2020, QIAN-2015-AICDEBS (S56)
Entity: ?
Product factor: Performance of matching algorithms, Time behaviour, Performance efficiency
Calculation: "TG = TDl ?TDf where TDl and TDf are the determining time of the last and the first matched subscription"
Name: Group of Pictures (GOP)
Adjusted Name: ?
Source: Guerron2020, GARCIA-2018-COMCOM (S23)
Entity: ?
Product factor: Group of Pictures (GOP), Capacity, Performance efficiency
Calculation: measures the Group of Pictures or Frames with inter dependences for decoding
Name: Host Energy consumption
Adjusted Name: ?
Source: Guerron2020, ABD-2017-JOCS (S01)
Entity: ?
Product factor: Host Energy consumption, Physical Energy Consumption, Performance efficiency
Calculation: "P=I*V I: corriente V: voltaje"
Name: IaaS Energy efficiency
Adjusted Name: ?
Source: Guerron2020, KATSAROS-2013-FUTURE (S41)
Entity: ?
Product factor: Energy Efficiency, Energy Consumption, Performance efficiency
Calculation: Ef Infrastructure = ?i Ef Nodej / n
Name: I-Frame Loss Rate
Adjusted Name: ?
Source: Guerron2020, GARCIA-2018-COMCOM (S23)
Entity: ?
Product factor: I-Frame Loss Rate, Resource fault tolerance, Reliability
Calculation: IFLR= number of I-frames lost/ number of I-frame sent
Name: Impact energy (E )
Adjusted Name: ?
Source: Guerron2020, YU-2015-SCN (S80)
Entity: ?
Product factor: Fineness of Flow Control, Energy Consumption, Performance efficiency
Calculation: "e ? l2 where e represents impact energy and l denotes the length/amplitude of the continuous content. "
Name: Impact power(P)
Adjusted Name: ?
Source: Guerron2020, YU-2015-SCN (S80)
Entity: ?
Product factor: Fineness of Flow Control, Energy Consumption, Performance efficiency
Calculation: "p ? e/t (15) where t is the time span of exerting the impact energy e and p denotes the impact power."
Name: Inactive connections
Adjusted Name: ?
Source: Guerron2020, HU-2017-ISPDC (S35)
Entity: ?
Product factor: Connections, Connectivity, Performance efficiency
Calculation: measures the inactive connections
Name: Incidence of accidents (IoA)
Adjusted Name: ?
Source: Guerron2020, ZHOU-2015-HPCC (S84)
Entity: ?
Product factor: Continuity, Continuity, Reliability
Calculation: "when a < b, x = 1-a / b
Name: Initial Buffering Time (IBT)
Adjusted Name: ?
Source: Guerron2020, SAMET-2016-WAINA (S64)
Entity: ?
Product factor: Video streaming, Physical Time behaviour, Performance efficiency
Calculation: duration = time beginning of the playback - starting time of loading a video
Name: Instance mean starting time
Adjusted Name: ?
Source: Guerron2020, SOUZA-2016-ISCC (S69)
Entity: ?
Product factor: Instance mean starting time, Time behaviour, Performance efficiency
Calculation: Avg (Time up - time requested)
Name: Instance standard deviation starting time
Adjusted Name: ?
Source: Guerron2020, SOUZA-2016-ISCC (S69)
Entity: ?
Product factor: Instance standard deviation starting time, Time behaviour, Performance efficiency
Calculation: Standard deviation of (Time up - time requested)
Name: Instant service probability at time t (I(t))
Adjusted Name: ?
Source: Guerron2020, BRUNEO-2014-ITPDS (S14)
Entity: ?
Product factor: Service Availability, Service Availability, Reliability
Calculation: "I(t)= E [ri X(t)] Instant service probability at time t"
Name: Instantaneous Availability
Adjusted Name: ?
Source: Guerron2020, MESBAHI-2018-HCIIS (S52)
Entity: ?
Product factor: Instantaneous Availability, Service Availability, Reliability
Calculation: "A(t) = R(t) + R(t ? u)m(u)du where m(u) is the system renewal density function"
Name: Integrity
Adjusted Name: ?
Source: Guerron2020, SINGH-2015-COMPELECENG (S65)
Entity: ?
Product factor: Integrity, Integrity, Security
Calculation: Integrity =? (1-Threat) x (1 -Security)
Name: Integrity
Adjusted Name: ?
Source: Guerron2020, LIU-2017-BDC (S48)
Entity: ?
Product factor: Integrity, Integrity, Security
Calculation: Integrity= (Content, Content_cc ,Integritymetrics)
Name: Integritymetrics
Adjusted Name: ?
Source: Guerron2020, LIU-2017-BDC (S48)
Entity: ?
Product factor: Data Integrity, Integrity, Security
Calculation: Integritymetrics--> Real ? 0
Name: Internet Accessibility
Adjusted Name: ?
Source: Guerron2020, SINGH-2015-COMPELECENG (S65)
Entity: ?
Product factor: Accessibility, Time behaviour, Performance efficiency
Calculation: IA = Number of request time out/Total number of requests or Percentage of Time Out Request
Name: Interoperability dependency
Adjusted Name: ?
Source: Guerron2020, NADANAM-2009-ICCCNT (S53)
Entity: ?
Product factor: Interoperability of service, Interoperability, Compatibility
Calculation: "SI = No. of depedent services with satisfactory interaction / total no. of depedent services in participating BP's, numerator is the number of dependent services with satisfactory interaction capacity, denominator is the total number services with dependency on the present service"
Name: Interoperability platforms
Adjusted Name: ?
Source: Guerron2020, GARG-2013-FUTURE (S24)
Entity: ?
Product factor: Interoperability of service, Interoperability, Compatibility
Calculation: number of platforms offered by the provider / number of platforms required by users for interoperability
Name: Interoperability resources
Adjusted Name: ?
Source: Guerron2020, LU-2018-JSS (S49)
Entity: ?
Product factor: Interoperability of service, Interoperability, Compatibility
Calculation: the number of resources offered by the provider / the number of resources required by users for interoperability
Name: Interval Time (Ti)
Adjusted Name: ?
Source: Guerron2020, QIAN-2015-AICDEBS (S56)
Entity: ?
Product factor: Performance of matching algorithms, Time behaviour, Performance efficiency
Calculation: Ii,j = TDj ?TDi
Name: Intra-coded Block Size
Adjusted Name: ?
Source: Guerron2020, SLIVAR-2016-ICMS (S66)
Entity: ?
Product factor: Video Quality, Physical utilization, Performance efficiency
Calculation: IBS measures the spatial aspect of video (scene complexity).
Name: Intra-coded Macroblocks
Adjusted Name: ?
Source: Guerron2020, SLIVAR-2016-ICMS (S66)
Entity: ?
Product factor: Video Quality, Physical utilization, Performance efficiency
Calculation: PFIM measures the temporal aspect of the video(motion in subsequent images)
Name: IOPS
Adjusted Name: ?
Source: Guerron2020, HU-2017-ISPDC (S35)
Entity: ?
Product factor: IOPS, Time behaviour, Performance efficiency
Calculation: measures the IO request per second
Name: Java order rate
Adjusted Name: ?
Source: Guerron2020, SINGH-2015-COMPELECENG (S65)
Entity: ?
Product factor: Java order rate, Sw Time behaviour, Performance efficiency
Calculation: measures the number of new orders per second
Name: Jitter
Adjusted Name: ?
Source: Guerron2020, CERVINO-2011-CLOUD (S16)
Entity: ?
Product factor: Jitter, Time behaviour, Performance efficiency
Calculation: measures the variation in the time between packet arrivals caused by network congestion, timing drift, or route change.
Name: Jitter
Adjusted Name: ?
Source: Guerron2020, PEDERSEN-2011-DASC (S54)
Entity: ?
Product factor: Jitter, Time behaviour, Performance efficiency
Calculation: "J=J�+(|D(i-1,i)|-J�)/16. J is jitter calculated continuously every time a Ping packet is received, J� is the previous jitter value, and t |D(i,j)| which is the value of the difference in Ping times between the i�th and j�th packets."
Name: Jitter
Adjusted Name: ?
Source: Guerron2020, GARCIA-2018-COMCOM (S23), SOUZA-2016-ISCC (S69)
Entity: ?
Product factor: Jitter, Time behaviour, Performance efficiency
Calculation: measures the delay variation
Name: Latency
Adjusted Name: ?
Source: Guerron2020, GUEROUT-2014-SUSCOM (S30)
Entity: ?
Product factor: Latency, Time behaviour, Performance efficiency
Calculation: "Tnet(n) = l + �(n), where l is a constant (i.e. Latency) and �(n) the time needed to send n bytes."
Name: Latency
Adjusted Name: ?
Source: Guerron2020, SINGH-2015-COMPELECENG (S65)
Entity: ?
Product factor: Latency, Time behaviour, Performance efficiency
Calculation: Latency =Time of input a Cloud workload - Time of output produced with respect to that Cloud workload
Name: Latency
Adjusted Name: ?
Source: Guerron2020, GHAHRAMANI-2017-JAS (S26), RAVINDHREN-2017-CC (S58), HWANG-2016-TPDS (S36), RIZVI-2017-JPROCS (S61), GARCIA-2018-COMCOM (S23)
Entity: ?
Product factor: Latency, Time behaviour, Performance efficiency
Calculation: time = time arrival at its destination - time submitting a packet
Name: Latency
Adjusted Name: ?
Source: Guerron2020, ABRAHAO-2017-SERVICES (S03)
Entity: ?
Product factor: Latency, Time behaviour, Performance efficiency
Calculation: Avg (RequestTime-ResponseTime)
Name: Latency Read
Adjusted Name: ?
Source: Guerron2020, IBRAHIM-2018-CLOUD (S37)
Entity: ?
Product factor: Latency, Time behaviour, Performance efficiency
Calculation: measures the Latency Read
Name: Latency Update
Adjusted Name: ?
Source: Guerron2020, IBRAHIM-2018-CLOUD (S37)
Entity: ?
Product factor: Latency, Time behaviour, Performance efficiency
Calculation: measures the Latency Update
Name: Load average
Adjusted Name: ?
Source: Guerron2020, HU-2017-ISPDC (S35)
Entity: ?
Product factor: Load average, Capacity, Performance efficiency
Calculation: avg (number of load)
Name: Location
Adjusted Name: ?
Source: Guerron2020, GHAHRAMANI-2017-JAS (S26)
Entity: ?
Product factor: Location, Time behaviour, Performance efficiency
Calculation: location affinity
Name: Mail action rate
Adjusted Name: ?
Source: Guerron2020, SINGH-2015-COMPELECENG (S65)
Entity: ?
Product factor: Mail action rate, Physical Time behaviour, Performance efficiency
Calculation: measures the number of actions per minute
Name: Main Loop Iteration Time (MLIT)
Adjusted Name: ?
Source: Guerron2020, HASSAM-2014-ISMMWA (S32)
Entity: ?
Product factor: Execution time, Time behaviour, Performance efficiency
Calculation: MLIT= tSceneDataUpdated � tSimulatePhysics
Name: Maintenance cost
Adjusted Name: ?
Source: Guerron2020, LIN-2011-ESWA (S46)
Entity: ?
Product factor: Maintenance cost, , Maintainability
Calculation: "maintenance cost is calculated in terms of the amount of capacity that each edge/node needs to be restored. The total cost mto recover the edges/nodes in a CCN from the state X is TC (X) = ?ci(Wi - xi) where ci(Wi - xi) is the maintenance cost for ei on any MP to recover from the current capacity xi to its highest capacity Wi."
Name: Max Queries processed
Adjusted Name: ?
Source: Guerron2020, HECHT-20144-CLOUDCOM (S33)
Entity: ?
Product factor: Cloud patterns, Capacity, Performance efficiency
Calculation: Max (queries processed per second)
Name: Capacity Max
Adjusted Name: ?
Source: Guerron2020, GARG-2013-FUTURE (S24)
Entity: ?
Product factor: Capacity of a service, Capacity, Performance efficiency
Calculation: the maximum number of compute units that can be provided at peak times
Name: Maximum performance loss
Adjusted Name: ?
Source: Guerron2020, BRUNEO-2014-ITPDS (S14)
Entity: ?
Product factor: Resiliency, Recoverability, Reliability
Calculation: "MPL(%)=(Psteady - Pmin)/Psteady x 100 where Psteady and Pmin are the steady-state value of the considered performance index and its minimum value reached during the load burst, respectively."
Name: Maximum Response Time(Tmax)
Adjusted Name: ?
Source: Guerron2020, GARG-2013-FUTURE (S24), GUEROUT-2014-SUSCOM (S30)
Entity: ?
Product factor: Response Time, Time behaviour, Performance efficiency
Calculation: The maximum Response Time, denoted Tmax is the maximum Response Time claimed by the Cloud service provider.
Name: Mean Availability
Adjusted Name: ?
Source: Guerron2020, MESBAHI-2018-HCIIS (S52)
Entity: ?
Product factor: Service Availability, Service Availability, Reliability
Calculation: Am(T) = 1 /T * A(t)dt
Name: Mean buffering duration (MBD)
Adjusted Name: ?
Source: Guerron2020, SAMET-2016-WAINA (S64)
Entity: ?
Product factor: Video streaming, Physical Time behaviour, Performance efficiency
Calculation: bit rate of the video/average bandwidth available for the viewer
Name: Mean number of jobs in RPDE (Erpde)
Adjusted Name: ?
Source: Guerron2020, GHOSH-2010-RDS (S28)
Entity: ?
Product factor: Capacity of a service, Capacity, Performance efficiency
Calculation: E[NRPDE] = ? number of jobs that are waiting in the RPDE queue + the job that is currently undergoing provisioning decision.
Name: Mean Number of PMs in active mode(Npm)
Adjusted Name: ?
Source: Guerron2020, ROOHITAVAF-2013-ICPADS (S62)
Entity: ?
Product factor: PMs in active mode, Resource Availability, Reliability
Calculation: "rm = ? #Pm,active where #Pm denotes the number of tokens inside place P in marking m"
Name: Mean Number of requests(q)
Adjusted Name: ?
Source: Guerron2020, LIU-2014-ICC (S47)
Entity: ?
Product factor: Number of requests, Resource utilization, Performance efficiency
Calculation: q = E|q|= ? + ?2T2 ( E[Y2]) / 2(1 ? ?)
Name: Mean queue length (MQL)
Adjusted Name: ?
Source: Guerron2020, KIRSAL-2015-UCC (S43)
Entity: ?
Product factor: Performance of data centres, Resource utilization, Performance efficiency
Calculation: "MQL = r + (r^c ? / c!(1 ? ?)^2)P0 where C is the number of servers"
Name: Mean queue length (MQL)
Adjusted Name: ?
Source: Guerron2020, KIRSAL-2015-UCC (S43)
Entity: ?
Product factor: Performance of data centres, Resource utilization, Performance efficiency
Calculation: "MQL = ? qi.MQLi i is teh number of operative servers"
Name: Mean Response time (MRT)
Adjusted Name: ?
Source: Guerron2020, ZANT-2015-JCC (S81)
Entity: ?
Product factor: Response Time, Time behaviour, Performance efficiency
Calculation: The Mean response time represents the Round Trip Time (RTT) that took a ping of one CSP�s virtual machine�s address
Name: Mean response time( r)
Adjusted Name: ?
Source: Guerron2020, LIU-2014-ICC (S47), NADANAM-2009-ICCCNT (S53)
Entity: ?
Product factor: Response Time, Time behaviour, Performance efficiency
Calculation: "mean Response time = Execution time +Waiting time,r = q/? = x + ?T2 (E[Y2])/ 2(1 ? ?) "
Name: Mean Time between Failures(MTBF)
Adjusted Name: ?
Source: Guerron2020, SINGH-2015-COMPELECENG (S65)
Entity: ?
Product factor: Mean Time between Failures, Fault tolerance, Reliability
Calculation: "Reliability= MTBF = MTTF+MTTR MTBF is Mean Time between Failures, MTTF is Mean Time to Failure, MTTR is Mean Time to Repair"
Name: Mean Time between Failures(MTBF)
Adjusted Name: ?
Source: Guerron2020, RIZVI-2017-JPROCS (S61)
Entity: ?
Product factor: Mean Time between Failures, Fault tolerance, Reliability
Calculation: MTBF= (Units*time)/number units failures
Name: Mean Time between Failures(MTBF)
Adjusted Name: ?
Source: Guerron2020, ZHENG-2014-TII,RAVINDHREN-2017-CC (S83)
Entity: ?
Product factor: Mean Time between Failures, Fault tolerance, Reliability
Calculation: measures the mean Time between Failures(MTBF)
Name: Mean Time between Failures(MTBF)
Adjusted Name: ?
Source: Guerron2020, BARANWAL-2014-IACC (S09,S10), BARANWAL-2016-CPE ( )
Entity: ?
Product factor: Mean Time between Failures, Fault tolerance, Reliability
Calculation: MTBF=Total time / Number of failures
Name: Mean time scale up
Adjusted Name: ?
Source: Guerron2020, GARG-2013-FUTURE (S24)
Entity: ?
Product factor: Time Scaling, Elasticity, Performance efficiency
Calculation: measures the mean time taken to expand or contract the service capacity. Elasticity of a Cloud service is inferred from the time it takes to scale up.
Name: Mean Time to Change with respect to particular Cloud Service(MTTC)
Adjusted Name: ?
Source: Guerron2020, SINGH-2015-COMPELECENG (S65)
Entity: ?
Product factor: Changeability workload, Elasticity, Performance efficiency
Calculation: Changeability(MTTC) = ?(Time to analyze the change in workload + Time to modify the change in workload + Time to test the change in workload + time to distribute the change in workload)/(No. of change requests in workload)
Name: Mean Time to Failure(MTTF)
Adjusted Name: ?
Source: Guerron2020, GUEROUT-2014-SUSCOM (S30), ZHENG-2014-TII (S83), SINGH-2015-COMPELECENG (S65)
Entity: ?
Product factor: Mean Time to Failure, Fault tolerance, Reliability
Calculation: " MTTF =? tf dp (t) dt, where, ? fdp(t)dt = 1. Therefore, ? which represents ""failure rate"" ?=1/MTTF"
Name: Mean time to recover
Adjusted Name: ?
Source: Guerron2020, RAVINDHREN-2017-CC (S58,S65), SINGH-2015-COMPELECENG (S69), SOUZA-2016-ISCC ( )
Entity: ?
Product factor: Failure Recovery, Recoverability, Reliability
Calculation: MTTR = Avg (Time to a complete recovery from a service failure)
Name: Mean Time to Repair(MTTR)
Adjusted Name: ?
Source: Guerron2020, RIZVI-2017-JPROCS (S61)
Entity: ?
Product factor: Failure Recovery, Recoverability, Reliability
Calculation: MTTR
Name: Mean time to switchover
Adjusted Name: ?
Source: Guerron2020, SOUZA-2016-ISCC (S69)
Entity: ?
Product factor: Mean time to switchover, Recoverability, Reliability
Calculation: measures the time to switchover from a failure
Name: Mean waiting time
Adjusted Name: ?
Source: Guerron2020, LIU-2014-ICC (S47)
Entity: ?
Product factor: Response time, Time behaviour, Performance efficiency
Calculation: w = r ? x
Name: Memory capacity
Adjusted Name: ?
Source: Guerron2020, BARANWAL-2014-IACC (S09), BARANWAL-2016-CPE (S10), SOUZA-2016-ISCC (S69)
Entity: ?
Product factor: Memory capacity, Memory Capacity, Performance efficiency
Calculation: measures the memory capacity.
Name: Memory performance
Adjusted Name: ?
Source: Guerron2020, ZANT-2015-JCC (S81)
Entity: ?
Product factor: VM Memory, Virtualized Capacity, Performance efficiency
Calculation: measures the property of storing data on a temporary basis, and it corresponds to the evaluation of the VM RAM
Name: Memory utilization
Adjusted Name: ?
Source: Guerron2020, HU-2017-ISPDC (S35)
Entity: ?
Product factor: Memory utilization , Physical utilization, Performance efficiency
Calculation: Memory utilization = current occupied memory resource /total memory resource * 100
Name: memory_usage
Adjusted Name: ?
Source: Guerron2020, TAHERIZADEH-2017-COMPSAC (S70)
Entity: ?
Product factor: Mem usage container, Virtualized utilization, Performance efficiency
Calculation: measures the percentage of Memory usage of container
Name: memUsed
Adjusted Name: ?
Source: Guerron2020, TAHERIZADEH-2017-COMPSAC (S70)
Entity: ?
Product factor: VM Memory utilization , Virtualized utilization, Performance efficiency
Calculation: measures the current memory usage of VM
Name: memUsedPercent
Adjusted Name: ?
Source: Guerron2020, TAHERIZADEH-2017-COMPSAC (S70)
Entity: ?
Product factor: VM Memory utilization , Virtualized utilization, Performance efficiency
Calculation: measures the percentage of Memory usage of VM
Name: Modularity
Adjusted Name: ?
Source: Guerron2020, NADANAM-2009-ICCCNT (S53)
Entity: ?
Product factor: Service Modularity, Modularity, Maintainability
Calculation: "SM = No. of elements without external dependancy / total number of elements, denominator is the number of elements in a service, numerator is the number of elements which are not depend on external services."
Name: Monitored process number
Adjusted Name: ?
Source: Guerron2020, HU-2017-ISPDC (S35)
Entity: ?
Product factor: Server Capacity, Physical Capacity, Performance efficiency
Calculation: measures the number of monitored process
Name: Motion difference feature
Adjusted Name: ?
Source: Guerron2020, SLIVAR-2016-ICMS (S66)
Entity: ?
Product factor: Video Quality, Physical utilization, Performance efficiency
Calculation: "Mn(i, j) = Fn(i, j) ?Fn?1(i, j) Fn(i, j) is the luminance value of the pixel at the ith row and jth column of nth frame in time."" "
Name: Net job rejection rate( ?reject )
Adjusted Name: ?
Source: Guerron2020, GHOSH-2010-RDS (S28)
Entity: ?
Product factor: Capacity of a service, Capacity, Performance efficiency
Calculation: "Net job rejection rate( ?reject ) = pblock + pdrop where ?block results from admission control, which results from rejection of jobs when RPDE buffer is full. ?drop is rejection rate."
Name: netBytesIn
Adjusted Name: ?
Source: Guerron2020, TAHERIZADEH-2017-COMPSAC (S70)
Entity: ?
Product factor: Network rate, Networking Time Behaviour, Performance efficiency
Calculation: Bytes in per second
Name: netBytesOut
Adjusted Name: ?
Source: Guerron2020, TAHERIZADEH-2017-COMPSAC (S70)
Entity: ?
Product factor: Network rate, Networking Time Behaviour, Performance efficiency
Calculation: Bytes out per second
Name: netPacketsIn
Adjusted Name: ?
Source: Guerron2020, TAHERIZADEH-2017-COMPSAC (S70)
Entity: ?
Product factor: Network rate, Networking Time Behaviour, Performance efficiency
Calculation: Packets in per second
Name: netPacketsOut
Adjusted Name: ?
Source: Guerron2020, TAHERIZADEH-2017-COMPSAC (S70)
Entity: ?
Product factor: Network rate, Networking Time Behaviour, Performance efficiency
Calculation: Packets out per second
Name: New connections
Adjusted Name: ?
Source: Guerron2020, HU-2017-ISPDC (S35)
Entity: ?
Product factor: Connections, Connectivity, Performance efficiency
Calculation: measures the new connections
Name: Node Energy efficiency
Adjusted Name: ?
Source: Guerron2020, KATSAROS-2013-FUTURE (S41)
Entity: ?
Product factor: Node Energy efficiency, Networking Energy Consumption, Performance efficiency
Calculation: Ef = Useful work/Energy (J) = (Useful work/s)/(Energy (J)/s) = (Useful work/s) / Power (W)
Name: Non-functional Commonality(NFC)
Adjusted Name: ?
Source: Guerron2020, LEE-2009-ACIS (S44)
Entity: ?
Product factor: Non-functional Commonality, Reusability, Maintainability
Calculation: "NFC = ( ?number of requirements appling ith non-functional feature / total number of requirements analyzed in the domain)/m, where m is the total number of non-functional features in the domain. The non-functional features are identified from the SRSs in the same domain"
Name: Number of alarms monitored
Adjusted Name: ?
Source: Guerron2020, SINGH-2015-COMPELECENG (S65)
Entity: ?
Product factor: Alarms monitored, Confidentiality, Security
Calculation: Number of Fake alarms monitored by Corporate Security
Name: Number of CPU
Adjusted Name: ?
Source: Guerron2020, MASTELIC-2012-CLOUDCOM (S51), SOUZA-2016-ISCC (S69)
Entity: ?
Product factor: CPU capacity VM, Virtualized Capacity, Performance efficiency
Calculation: measures the computing using the number of CPU cores assigned to the monitored VM
Name: Number of ineffectual service responses
Adjusted Name: ?
Source: Guerron2020, SINGH-2015-COMPELECENG (S65)
Entity: ?
Product factor: Ineffectual service , Confidentiality, Security
Calculation: Number of ineffectual service responses to the issues identified by the Security as control weaknesses
Name: Number of replicas
Adjusted Name: ?
Source: Guerron2020, SOUZA-2016-ISCC (S69)
Entity: ?
Product factor: Storage replication , Physical Capacity, Performance efficiency
Calculation: measures the minimum number of replicas guaranteed
Name: Number of safety hazards
Adjusted Name: ?
Source: Guerron2020, SINGH-2015-COMPELECENG (S65)
Entity: ?
Product factor: Safety hazards, Accountability, Security
Calculation: Number of safety hazards proactively identified
Name: Number of tenants
Adjusted Name: ?
Source: Guerron2020, PREUVENEERS-2016-JSS (S55)
Entity: ?
Product factor: Number of tenants, Capacity, Performance efficiency
Calculation: measures the number of tenants of a cloud service
Name: Operating systems support
Adjusted Name: ?
Source: Guerron2020, BARANWAL-2016-CPE (S10)
Entity: ?
Product factor: Operating systems support, Installability, Portability
Calculation: identify the different Operating systems Providers support, for example, Mac OS X, Windows and Open SUSE Linux.
Name: Operational availability
Adjusted Name: ?
Source: Guerron2020, MESBAHI-2018-HCIIS (S52)
Entity: ?
Product factor: Operational availability, Service Availability, Reliability
Calculation: A0 = Uptime /Operating cycle
Name: Overall Efficiency(eff)
Adjusted Name: ?
Source: Guerron2020, LIM-2014-IC2E (S45)
Entity: ?
Product factor: Efficiency, Resource utilization, Performance efficiency
Calculation: "eff t-j = wav � avEff t-j +wrl � rlEff t-j +wrt � rtEff t-j w are the weights of availability, reliability, response time. Sum of weights is equal to 1"
Name: Overprovisioning
Adjusted Name: ?
Source: Guerron2020, ABDELADIM-2014-CIST (S02)
Entity: ?
Product factor: Overprovisioning, Elasticity, Performance efficiency
Calculation: "OVPR DT = 1 - 1/n where n is a number of the requests received and i the number of the request where the requested resources are beyond the available resources during a period of time DT."
Name: Overprovisioning resource
Adjusted Name: ?
Source: Guerron2020, HU-2017-ISPDC (S35)
Entity: ?
Product factor: Overprovisioning, Elasticity, Performance efficiency
Calculation: ? over provisioning resource
Name: Packet Loss Distribution (PLD)
Adjusted Name: ?
Source: Guerron2020, GARCIA-2018-COMCOM (S23)
Entity: ?
Product factor: Packet Loss, Resource recoverability, Reliability
Calculation: measured by PLR per time
Name: Packet Loss Rate (PLR)
Adjusted Name: ?
Source: Guerron2020, GARCIA-2018-COMCOM (S23)
Entity: ?
Product factor: Packet Loss, Resource recoverability, Reliability
Calculation: "P prob = 1/N ? n k where Pprob is the probability of packet loss, N is total number of packets, nk is number of lost packets by the k-th period"
Name: Packet losses
Adjusted Name: ?
Source: Guerron2020, CERVINO-2011-CLOUD (S16)
Entity: ?
Product factor: Packet loss, Resource recoverability, Reliability
Calculation: measures the amount of packets lost in an interval. A discontinuity in the sequence number of RTP packets is perceived as a loss. Packet loss causes degradation in voice and video quality.
Name: Packets in
Adjusted Name: ?
Source: Guerron2020, HU-2017-ISPDC (S35)
Entity: ?
Product factor: Packets in , Networking Capacity, Performance efficiency
Calculation: measures the number of packets in
Name: Packets out
Adjusted Name: ?
Source: Guerron2020, HU-2017-ISPDC (S35)
Entity: ?
Product factor: Packets out, Networking Capacity, Performance efficiency
Calculation: measures the number of packets out
Name: Page download rate(Rate)
Adjusted Name: ?
Source: Guerron2020, BAO-2010-ICACTE (S08)
Entity: ?
Product factor: Web Services Performance, Capacity, Performance efficiency
Calculation: "Rate(p)=Bytes(p) / Page(t), where Bytes(p) is the bytes of the request page, Page(t) is the download time of request page. "
Name: Participant joining time
Adjusted Name: ?
Source: Guerron2020, ALAM-2016-ISCC (S04)
Entity: ?
Product factor: Participant joining time, Time behaviour, Performance efficiency
Calculation: measures the time required to add a participant to a running conference
Name: Peak Overshoot or Undershoot (PO)
Adjusted Name: ?
Source: Guerron2020, GHOSH-2010-RDS (S28)
Entity: ?
Product factor: Resiliency, Recoverability, Reliability
Calculation: "PO(%) = (|Mpeak(ac) ?Mss(ac) | / Mss(ac) )� 100% where Mpeak(ac) be the maximum deviation of the measure from its steady state value after application of change."
Name: Peak Time
Adjusted Name: ?
Source: Guerron2020, GHOSH-2010-RDS (S28)
Entity: ?
Product factor: Resiliency, Recoverability, Reliability
Calculation: Peak Time (Tpeak) is the time taken to reach maximum deviation Mpeak(ac) of the measure, from its steady state value (Mss (ac)) attained after the change is applied
Name: Percentage of dangerous data resources
Adjusted Name: ?
Source: Guerron2020, SINGH-2015-COMPELECENG (S65)
Entity: ?
Product factor: Dangerous data, Accountability, Security
Calculation: Percentage of dangerous data resources residing on systems
Name: Percentage of QoS violations
Adjusted Name: ?
Source: Guerron2020, DEASSUNCAO-2013-FUTURE (S18)
Entity: ?
Product factor: Capacity of a service, Capacity, Performance efficiency
Calculation: "Percentage of QoS violations: percentage of requests whose response times were longer than the amount of time expected by their end-users
Name: Percentile of response time
Adjusted Name: ?
Source: Guerron2020, XIONG-2015-ICDCSW (S78), XIAO-2010-ICC (S77)
Entity: ?
Product factor: Response Time, Time behaviour, Performance efficiency
Calculation: "FT(t)|t=TD= ?fT(t)dt ? ? (0 ? ?? 1) Let T be a random variable representing the response time, fT(t) and FT(t) be its probability and cumulative distributions pdf and CDF, respectively. TD be the desired target response time that a customer requests and agrees with its service provider based on a fee paid by the customer. which is called percentile response time. This means that ?�100% of the time a service request job will be executed in less than TD. , F(t) =1-e^rT =? ?? the probability of the response time being less than T B should be no less than ?."
Name: Percentile Time
Adjusted Name: ?
Source: Guerron2020, GHOSH-2010-RDS (S28)
Entity: ?
Product factor: Resiliency, Recoverability, Reliability
Calculation: tpercentile=|Mss(bc)?Mss(ac)|. (100 ? ?)
Name: performance
Adjusted Name: ?
Source: Guerron2020, LIU-2017-BDC (S48)
Entity: ?
Product factor: Performance of service, Time behaviour, Performance efficiency
Calculation: performance=< Time Reliability Cost >
Name: performance
Adjusted Name: ?
Source: Guerron2020, XU-2018-ACCESS (S79)
Entity: ?
Product factor: Performance of service, Time behaviour, Performance efficiency
Calculation: measures the number of accomplished requests per unit time
Name: Performance Degradation due to Migrations (PDM)
Adjusted Name: ?
Source: Guerron2020, GHAFARI-2013-IC3 (S25)
Entity: ?
Product factor: Degradation due to Migration, Resource utilization, Performance efficiency
Calculation: measures the performance degradation due to migrations (PDM). is bounded by host capacity and VMs are not provided with the required performance level
Name: Performance utility function
Adjusted Name: ?
Source: Guerron2020, SON-2015-ISF (S67)
Entity: ?
Product factor: Performance utility, Time behaviour, Performance efficiency
Calculation: "UP (X)= {uXmin + (1 + uXmin) .|RXP-X / RXP-IXP| where IXP ? X ? RXP, otherwise: 0, uX min is the minimum utility that the consumer and the provider receive for reaching a deal at its reserve performance. Qp be the performance quality at which a consensus is reached by both parties. Qp is substituted to X which are generalized utility functions for cloud QoS so that the performance utility is UQp (Qp) for reaching a consensus at Qp where IX=IQp, and RX=RQp"
Name: Performance utility function
Adjusted Name: ?
Source: Guerron2020, ALVARES-2011-GCM (S06)
Entity: ?
Product factor: Performance utility, Time behaviour, Performance efficiency
Calculation: "for each component cj ? C, we define a function perfj : (?, ?j) ?? N in terms of response time, where ? corresponds to the workload and ?j to the total amount of CPU allocated to component cj. One application is composed of a set of components expressed by the vector C."
Name: performance VM
Adjusted Name: ?
Source: Guerron2020, XU-2018-ACCESS (S79)
Entity: ?
Product factor: Performance of Virtual Machine, Virtualized utilization, Performance efficiency
Calculation: "?(x) = ?e(1 ? ptime?out) defined as ?(x) with x representing the number of available VMs. ?(x) gives the number of completed tasks per unit"
Name: Performance-Cost Normalization (PCN)
Adjusted Name: ?
Source: Guerron2020, VEDAM-2012-IACSAC (S71)
Entity: ?
Product factor: Performance of the infrastructure, Time behaviour, Performance efficiency
Calculation: "Performance-Cost Normalization (PCN) = P/C, where C is execution cost, P is the parameter to measure the performance of the reference application(e.g. response time)."
Name: Permissible capacity fluctuations to workloads
Adjusted Name: ?
Source: Guerron2020, SOUZA-2016-ISCC (S69)
Entity: ?
Product factor: Server vertical scalability, Scalability, Performance efficiency
Calculation: measures permissible capacity fluctuations to workloads. fluctuation number of CPUs and RAM size in GBs.
Name: Permissible changes to increased workloads
Adjusted Name: ?
Source: Guerron2020, SOUZA-2016-ISCC (S69)
Entity: ?
Product factor: Server horizontal scalability , Scalability, Performance efficiency
Calculation: measures permissible changes to increased workloads
Name: Persistence
Adjusted Name: ?
Source: Guerron2020, SINGH-2015-COMPELECENG (S65)
Entity: ?
Product factor: Persistence, Time behaviour, Performance efficiency
Calculation: It is defined as the number of time periods required for a given proportion of the total uncertainties in a given service to collect
Name: Platform support
Adjusted Name: ?
Source: Guerron2020, BARANWAL-2016-CPE (S10)
Entity: ?
Product factor: Platform support, Installability, Portability
Calculation: identify the provider different types of platforms.
Name: PM Energy consumption
Adjusted Name: ?
Source: Guerron2020, JOY-2015-ICCIC (S38)
Entity: ?
Product factor: PM Energy consumption, Physical Energy Consumption, Performance efficiency
Calculation: "Ej = Ej min + ut CPUj . (Ej max - Ej min) Ej min and Ej max represents minimum and maximum energy consumption of a particular PM j, ut signifies the utilization of the CPU of PM Physical Machine"
Name: Portability of service
Adjusted Name: ?
Source: Guerron2020, SINGH-2015-COMPELECENG (S65)
Entity: ?
Product factor: Portability ratio, Installability, Portability
Calculation: Portability= (number of compatible platforms)/(total number of platforms)
Name: Power Demand
Adjusted Name: ?
Source: Guerron2020, RIZVI-2017-JPROCS (S61), HWANG-2016-TPDS (S36)
Entity: ?
Product factor: Power Consumption, Resource utilization, Performance efficiency
Calculation: measures the total watt usage by the cloud system, Power consumption of a cloud computing system (MWatt)
Name: Preparing Time(Tp)
Adjusted Name: ?
Source: Guerron2020, QIAN-2015-AICDEBS (S56)
Entity: ?
Product factor: Performance of matching algorithms, Time behaviour, Performance efficiency
Calculation: "TP = tf ? ts where tf time first and tl time last matched subscription"
Name: Privacy
Adjusted Name: ?
Source: Guerron2020, LIU-2017-BDC (S48)
Entity: ?
Product factor: Privacy, Privacy, Security
Calculation: Privacy= (Ac_state,Ac_trans)
Name: Probability an APT accessed
Adjusted Name: ?
Source: Guerron2020, GONZALES-2017-TCC (S29)
Entity: ?
Product factor: APT Accesed, Confidentiality, Security
Calculation: ATP can access high value data. Data compromised or erased from the CCS
Name: Probability the APT detected
Adjusted Name: ?
Source: Guerron2020, GONZALES-2017-TCC (S29)
Entity: ?
Product factor: APT Detected, Confidentiality, Security
Calculation: "Pr DIN = (Pr (A | nodetection) - Pr(A))/Pr(A) (Pr (A | nodetection) is the probability that the APT can infiltrate the gold data without any detection (i.e., Pr DIN=0 for i = 1
Name: ProcessingTime
Adjusted Name: ?
Source: Guerron2020, TAHERIZADEH-2017-COMPSAC (S70)
Entity: ?
Product factor: Processing time, Time behaviour, Performance efficiency
Calculation: measures the processing time
Name: ProcessingTime
Adjusted Name: ?
Source: Guerron2020, GHAHRAMANI-2017-JAS (S26)
Entity: ?
Product factor: Processing time, Time behaviour, Performance efficiency
Calculation: average response time
Name: Productivity
Adjusted Name: ?
Source: Guerron2020, HWANG-2016-TPDS (S36)
Entity: ?
Product factor: Productivity, Time behaviour, Performance efficiency
Calculation: P, (Eq. (4))
Name: promised turnaround time
Adjusted Name: ?
Source: Guerron2020, MANUEL-2015-AOR (S50)
Entity: ?
Product factor: Turnaround Time, Time behaviour, Performance efficiency
Calculation: "The promised turnaround time is the expected time by a resource provider between the submission of a job and the delivery of the completed job. It is promised by the resource provider to the user in the SLA."
Name: Provisioning time
Adjusted Name: ?
Source: Guerron2020, ZANT-2015-JCC (S81)
Entity: ?
Product factor: Provisioning time, Elasticity, Performance efficiency
Calculation: It is defined as the time taken by a CSP to allocate a new VM once the customer requested it.
Name: Quality shifting frequency(QSF)
Adjusted Name: ?
Source: Guerron2020, SAMET-2016-WAINA (S64)
Entity: ?
Product factor: Video Quality, Physical utilization, Performance efficiency
Calculation: This indicator measures how frequently the resolution shifting occurs in the video player
Name: Ratio of available VMs to accepted VM requests(Rava)
Adjusted Name: ?
Source: Guerron2020, ROOHITAVAF-2013-ICPADS (S62)
Entity: ?
Product factor: VM Availability, Resource Availability, Reliability
Calculation: "rm = (? #Pm,vmsi )/( #Pm,vtp + #Pm,vtm + ? (#Pm,vmsi + #Pm,vtpi + #Pm, vtmi)) where #Pm denotes the number of tokens inside place P in marking m. In the states in which the denominator of the fraction is zero, the reward rate is 1,"
Name: Readiness of emergency preparedness for key businesses (RoEPKB)
Adjusted Name: ?
Source: Guerron2020, ZHOU-2015-HPCC (S84)
Entity: ?
Product factor: Continuity, Continuity, Reliability
Calculation: "k =v / 2 (6) k = RoEPKB, 0?k?1
Name: readLatency
Adjusted Name: ?
Source: Guerron2020, TAHERIZADEH-2017-COMPSAC (S70)
Entity: ?
Product factor: Latency, Time behaviour, Performance efficiency
Calculation: Keyspace read latency
Name: Re-buffering frequency (RBF)
Adjusted Name: ?
Source: Guerron2020, SAMET-2016-WAINA (S64)
Entity: ?
Product factor: Video Quality, Physical utilization, Performance efficiency
Calculation: Re-buffering frequency (RBF) = Avg ( buffering duration)
Name: Recommended Service Response Time(RSRT)
Adjusted Name: ?
Source: Guerron2020, COSTA-2015-SMARTCITY (S17)
Entity: ?
Product factor: Response Time, Time behaviour, Performance efficiency
Calculation: measures the Recommended Service Response Time(RSRT)
Name: Recovery rate
Adjusted Name: ?
Source: Guerron2020, HWANG-2016-TPDS (S36)
Entity: ?
Product factor: Resiliency, Recoverability, Reliability
Calculation: Rc
Name: Recovery point objective (RPO)
Adjusted Name: ?
Source: Guerron2020, MESBAHI-2018-HCIIS (S52)
Entity: ?
Product factor: Recovery point objective (RPO), Recoverability, Reliability
Calculation: amount of data to be lost as a result of a fault or disaster,
Name: Recovery time
Adjusted Name: ?
Source: Guerron2020, BRUNEO-2014-ITPDS (S14)
Entity: ?
Product factor: Resiliency, Recoverability, Reliability
Calculation: "Trec = tr - tf where the time Trec elapsed between the burst end (tf) and the instant (tr) at which the performance indices returns to a value greater than the ?-100% of its steady-state value."
Name: Recovery time objective (RTO)
Adjusted Name: ?
Source: Guerron2020, MESBAHI-2018-HCIIS (S52)
Entity: ?
Product factor: Recovery time objective (RTO), Recoverability, Reliability
Calculation: minimum downtime for recovering from faults
Name: Rejection probability(RJ)
Adjusted Name: ?
Source: Guerron2020, XIA-2015-ITASE (S76)
Entity: ?
Product factor: Request Rejection, Capacity, Performance efficiency
Calculation: "RJ=1-(1-RJC) * (1-RJP) RJC is the request rejection probability at the CMU handling phase, and is the expected number of jobs that one request generates. RJP job rejection probability"
Name: Release reactivity
Adjusted Name: ?
Source: Guerron2020, ABDELADIM-2014-CIST (S02)
Entity: ?
Product factor: Reactivity, Elasticity, Performance efficiency
Calculation: "Re = 1 - ? Min(1, Tr-Tp/(Tp - Ta)) / K where Ta: allocation time, Tp: procesing time, Tr: release time."
Name: Reliability
Adjusted Name: ?
Source: Guerron2020, BARANWAL-2014-IACC (S09,S10), BARANWAL-2016-CPE ( )
Entity: ?
Product factor: Service Reliability, , Reliability
Calculation: R(t)= -t/e^MTBF
Name: Failure rate
Adjusted Name: ?
Source: Guerron2020, LU-2018-JSS (S49)
Entity: ?
Product factor: Failure rate, Fault tolerance, Reliability
Calculation: the number(or time) of failures / the mean number (or time) of failures promised by a provider in a given time interval
Name: Success rate
Adjusted Name: ?
Source: Guerron2020, MANUEL-2015-AOR (S50,S27), GHOLAMI-2015-KBEI ( )
Entity: ?
Product factor: Success Operation, Maturity, Reliability
Calculation: "Reliability of resource Rk(RE) = Ck / Ak, Ak number of works/jobs accepted by Rk resource Ck number of works/jobs completed successfully by Rk source in T time limit"
Name: Reliability
Adjusted Name: ?
Source: Guerron2020, ARUMUGAM-2017-ICCMC,GHAHRAMANI-2017-JAS ( S07,S26,S24), GARG-2013-FUTURE ( )
Entity: ?
Product factor: Service Reliability, , Reliability
Calculation: "Reliability = Pr[V]�P[TF] =( 1 ? nf/n) P[TF] Pr[V] is the probability of violation, nf is the number of users who have experienced a failure, n is the number of users in a concerned time period, and P[TF] is the promised mean time to failure."
Name: Reliability
Adjusted Name: ?
Source: Guerron2020, WU-2015-ICIEA (S75)
Entity: ?
Product factor: Service Reliability, , Reliability
Calculation: "Rel(Ri)={ 1, RRi ? VRi
Name: Reliability
Adjusted Name: ?
Source: Guerron2020, LEE-2009-ACIS (S44), NADANAM-2009-ICCCNT (S53)
Entity: ?
Product factor: Service Reliability, , Reliability
Calculation: "Reliability= W.CFT +W.CFR + W.SA where w is the weight for each metric, which the sum is 1 Coverage of Fault Tolerance (CFT) + Coverage of Failure Recovery (CFR) + Accuracy (SA)"
Name: Reliability
Adjusted Name: ?
Source: Guerron2020, ZHENG-2014-TII (S82,S83), ZHENG-2013-SCC ( )
Entity: ?
Product factor: Service Reliability, , Reliability
Calculation: "p = 1 - n/ns where n and ns denote the number of failed and total operations that occurred in a time interval"
Name: Reliability
Adjusted Name: ?
Source: Guerron2020, GUEROUT-2014-SUSCOM (S30)
Entity: ?
Product factor: Service Reliability, , Reliability
Calculation: Re(t) = e??t
Name: Reliability Efficiency
Adjusted Name: ?
Source: Guerron2020, LIM-2014-IC2E (S45)
Entity: ?
Product factor: Reliability Efficiency, , Reliability
Calculation: "rlEfft = rlSaaS t-j / (? k?Kt rlCloudt / |Kt-j| ) K t-j is the set of cloud providers that are servicing SaaS provider j at time t"
Name: Reliability Importance
Adjusted Name: ?
Source: Guerron2020, MESBAHI-2018-HCIIS (S52)
Entity: ?
Product factor: Reliability Importance, , Reliability
Calculation: "RIi(t) = ?Rs(t) /?Ri(t) where Rs(t): is the system reliability at a certain time, t
Name: Reliability of Links
Adjusted Name: ?
Source: Guerron2020, FARAGARDI-2013-ICIS (S22)
Entity: ?
Product factor: Reliability of Links, , Reliability
Calculation: "R DL KL(t) Where t D kl (X) is duration in which DL kl is used to transmit data"
Name: Reliability of processor
Adjusted Name: ?
Source: Guerron2020, FARAGARDI-2013-ICIS (S22)
Entity: ?
Product factor: Reliability of processor, , Reliability
Calculation: "R Pj (X) = e^-?j ? Eij Xij Reliability of processing node Pj in time interval [0,t]. As the total time for executing the tasks assigned to processor Pj by assignment X "
Name: Reliability state
Adjusted Name: ?
Source: Guerron2020, LIU-2017-BDC (S48)
Entity: ?
Product factor: Reliability state, , Reliability
Calculation: Reliability: Trans--> Real
Name: reliability utility function
Adjusted Name: ?
Source: Guerron2020, SON-2015-ISF (S67)
Entity: ?
Product factor: Service Reliability, , Reliability
Calculation: "time slot utility UPT(X) = uX,min + (1 + uX,min)* |RXp -X / RXp-IXp|
Name: Repair rate of accidents (RRoA)
Adjusted Name: ?
Source: Guerron2020, ZHOU-2015-HPCC (S84)
Entity: ?
Product factor: Continuity, Continuity, Reliability
Calculation: "r = a / b
Name: Replication
Adjusted Name: ?
Source: Guerron2020, SOUZA-2016-ISCC (S69)
Entity: ?
Product factor: Server Capacity, Physical Capacity, Performance efficiency
Calculation: measures the number of replicas
Name: requestCount
Adjusted Name: ?
Source: Guerron2020, TAHERIZADEH-2017-COMPSAC (S70)
Entity: ?
Product factor: Performance of service, Time behaviour, Performance efficiency
Calculation: measures the number of requests served since last collection
Name: resource (r)
Adjusted Name: ?
Source: Guerron2020, HU-2017-ISPDC (S35)
Entity: ?
Product factor: Resource Scaling, Scalability, Performance efficiency
Calculation: "r=?� AVEd + (1- ?) � AVEs, ?? [0,1] where Average Overprovisioning resource (AVEs), Average Underprovisioning resource (AVEd)"
Name: resource allocation
Adjusted Name: ?
Source: Guerron2020, ALAM-2016-ISCC (S04)
Entity: ?
Product factor: resource allocation, Resource utilization, Performance efficiency
Calculation: total amount of allocated resources (RAM, cpu)
Name: Resource in use
Adjusted Name: ?
Source: Guerron2020, DEASSUNCAO-2013-FUTURE (S18)
Entity: ?
Product factor: Capacity of a service, Capacity, Performance efficiency
Calculation: "wtb=Number of resources in use at time t"
Name: Resource pool capacity
Adjusted Name: ?
Source: Guerron2020, DEASSUNCAO-2013-FUTURE (S18)
Entity: ?
Product factor: Capacity of a service, Capacity, Performance efficiency
Calculation: mt = Service provider�s resource pool capacity at time t
Name: Resource utilization
Adjusted Name: ?
Source: Guerron2020, LEE-2009-ACIS (S44), NADANAM-2009-ICCCNT (S53)
Entity: ?
Product factor: Resource Utilization, Resource utilization, Performance efficiency
Calculation: "UoR = RU = (amount of allocated resources) /(amount of pre - defined resources) where the denominator is the amount of pre-defined resources for each type of resources and it is defined in the SLA."
Name: Resource utilization
Adjusted Name: ?
Source: Guerron2020, DEASSUNCAO-2013-FUTURE (S18)
Entity: ?
Product factor: Resource Utilization, Resource utilization, Performance efficiency
Calculation: "Resource utilization(?t) =number wt of resource hours effectively used to handle requests/ number mt of resource hours allocated from the cloud (i.e., idle resources are not considered)"
Name: Resource utilization
Adjusted Name: ?
Source: Guerron2020, KAUR-2014-FUTURE (S42)
Entity: ?
Product factor: Resource Utilization, Resource utilization, Performance efficiency
Calculation: U= resource allocated VM/resource size
Name: "Response mean time (synchronous operation) "
Adjusted Name: ?
Source: Guerron2020, SOUZA-2016-ISCC (S69), VEDAM-2012-IACSAC (S71)
Entity: ?
Product factor: Response Time, Time behaviour, Performance efficiency
Calculation: Mean time of response: avg in milliseconds
Name: "Response mean time (synchronous operation) "
Adjusted Name: ?
Source: Guerron2020, BARANWAL-2014-IACC (S09,S10), BARANWAL-2016-CPE ( )
Entity: ?
Product factor: Response Time, Time behaviour, Performance efficiency
Calculation: response time= time request service is available - time of request for service
Name: "Response mean time "
Adjusted Name: ?
Source: Guerron2020, SOUZA-2016-ISCC (S69), VEDAM-2012-IACSAC (S71)
Entity: ?
Product factor: Performance of the infrastructure, Time behaviour, Performance efficiency
Calculation: Mean time of response: avg( time for a request to be serviced)
Name: Response standard deviation time (synchronous operation)
Adjusted Name: ?
Source: Guerron2020, SOUZA-2016-ISCC (S69)
Entity: ?
Product factor: Response time, Time behaviour, Performance efficiency
Calculation: Standard deviation time of response: avg in milliseconds
Name: Response Time
Adjusted Name: ?
Source: Guerron2020, RAVINDHREN-2017-CC (S21), KARIM-2015-SOSE (S40), LU-2018-JSS (S42), EZENWOKE-2018-JCC (S49), KAUR-2014-FUTURE (S58)
Entity: ?
Product factor: Response Time, Time behaviour, Performance efficiency
Calculation: "response time = time user receives a response from a cloud - the time a user sends a request to the cloud Time between sending a request and getting a response"
Name: Response Time
Adjusted Name: ?
Source: Guerron2020, XIONG-2015-ICDCSW (S78)
Entity: ?
Product factor: Response Time, Time behaviour, Performance efficiency
Calculation: Is the time for a service request to be satisfied. That is, this is the time it takes for a service request to be executed on the service provider�s multiple resource sites
Name: Response time
Adjusted Name: ?
Source: Guerron2020, HECHT-20144-CLOUDCOM (S33)
Entity: ?
Product factor: Response Time, Time behaviour, Performance efficiency
Calculation: measures response time of the application when executing all the queries.
Name: Response Time
Adjusted Name: ?
Source: Guerron2020, GHAHRAMANI-2017-JAS (S26)
Entity: ?
Product factor: Response Time, Time behaviour, Performance efficiency
Calculation: "time elapsed from a user�s submitting a service request until the final output is received RT = Tf ?Ts"
Name: Response Time
Adjusted Name: ?
Source: Guerron2020, HASAN-2017-TSUSC (S31)
Entity: ?
Product factor: Response Time, Time behaviour, Performance efficiency
Calculation: Time since it provides better approximation of entire distribution than the average response time
Name: Response time
Adjusted Name: ?
Source: Guerron2020, RIZVI-2017-JPROCS (S61)
Entity: ?
Product factor: Response time, Time behaviour, Performance efficiency
Calculation: time it takes to receive the first byte of any file being requested.
Name: Response Time
Adjusted Name: ?
Source: Guerron2020, SOUSA-2012-UCC (S68)
Entity: ?
Product factor: Response Time, Time behaviour, Performance efficiency
Calculation: The value of maximum time response expected for processing the input workload
Name: Response Time
Adjusted Name: ?
Source: Guerron2020, GHOLAMI-2015-KBEI (S27)
Entity: ?
Product factor: Response Time, Time behaviour, Performance efficiency
Calculation: RT=delivery time= delivery of done work - request time
Name: Response time efficiency
Adjusted Name: ?
Source: Guerron2020, LIM-2014-IC2E (S45)
Entity: ?
Product factor: Response Time Efficiency, Time behaviour, Performance efficiency
Calculation: "rtEff t-j = max k?K t-j rtCloud t-k / rtSaaS t-j K t-j is the set of cloud providers that are servicing SaaS provider j at time t"
Name: Response Time Failure
Adjusted Name: ?
Source: Guerron2020, GARG-2013-FUTURE (S24)
Entity: ?
Product factor: Response Time, Time behaviour, Performance efficiency
Calculation: " 100(n?/n), where n? is the number of occasions when the service provider was not able to fulfill their promise."
Name: Response Time Failure
Adjusted Name: ?
Source: Guerron2020, GUEROUT-2014-SUSCOM (S30)
Entity: ?
Product factor: Response Time, Time behaviour, Performance efficiency
Calculation: "?rep = n/n * 100 where n is the total number of service accesses, n the number of times where the Response Time exceeds the expected maximum value (Trepi> Tmax,repi)"
Name: Response Time(Trep)
Adjusted Name: ?
Source: Guerron2020, GUEROUT-2014-SUSCOM (S30)
Entity: ?
Product factor: Response Time, Time behaviour, Performance efficiency
Calculation: Treq-rep = 2 � Treq-net (n) + Treq-net
Name: Reusability
Adjusted Name: ?
Source: Guerron2020, NADANAM-2009-ICCCNT (S53)
Entity: ?
Product factor: Reusability, Reusability, Maintainability
Calculation: "Reusability = W.UoS+ W.AoS + W.CoV + W.CF The weights for each metric which the sum is 1. Understandability of Service (UoS), Awarability of Service(AoS), Coverage of Variability(CoV), Commonality feature(CF)"
Name: Reusability
Adjusted Name: ?
Source: Guerron2020, LEE-2009-ACIS (S44)
Entity: ?
Product factor: Reusability, Reusability, Maintainability
Calculation: "Reusability = w.(FC) + w.(NFC) + w.(CV) where w is the weight for each metric, which the sum is 1. Functional Commonality(FC)+ Non-functional Commonality(NFC) + Coverage of Variability(CV)"
Name: Robustness of Service
Adjusted Name: ?
Source: Guerron2020, LEE-2009-ACIS (S44)
Entity: ?
Product factor: Operational availability, Service Availability, Reliability
Calculation: "ROS=(available time for invoking SaaS) / (total time for operating SaaS) where the numerator is the specific period of time to be able to invoke the SaaS and the denominator is a total period of time to start operating the SaaS The numerator can be calculated as �total operating time of SaaS � Service Failure Time�. The Service Failure Time is a total time when the service cannot be invoked because of any service failures."
Name: Robustness
Adjusted Name: ?
Source: Guerron2020, GUEROUT-2014-SUSCOM (S30)
Entity: ?
Product factor: Robustness, Robustness, Reliability
Calculation: "Rob = ?ny / nH the average number of services on hosts: "
Name: Round-trip reaction delay (RTRD)
Adjusted Name: ?
Source: Guerron2020, WEN-2014-MMSP (S74)
Entity: ?
Product factor: Latency, Time behaviour, Performance efficiency
Calculation: "Round-trip reaction delay = transmission delay + server-side processing delay + client-side processing delay The transmission delay represents the time for a command packet to travel from a client to the server plus the time for the packets of the corresponding frame to be delivered back to the client. The transmission delay can be approximated with the round-trip time (RTT) between the two nodes. The server-side processing delay stands for the time for the server to process the command signal from a client, to render the graphics, andto compress the video frames for the client. The client-side processing delay is the time for the client to decompress and display the video frames after the video packets are received."
Name: RunSpeed Value
Adjusted Name: ?
Source: Guerron2020, GHOLAMI-2015-KBEI (S27)
Entity: ?
Product factor: CPU Performance, Physical Time behaviour, Performance efficiency
Calculation: RunSpeed Value= CPU job / CPU resource
Name: rx_bytes
Adjusted Name: ?
Source: Guerron2020, TAHERIZADEH-2017-COMPSAC (S70)
Entity: ?
Product factor: Bytes received, Networking Capacity, Performance efficiency
Calculation: measures the bytes received (rx_bytes)
Name: rx_packets
Adjusted Name: ?
Source: Guerron2020, TAHERIZADEH-2017-COMPSAC (S70)
Entity: ?
Product factor: Packets received, Networking Capacity, Performance efficiency
Calculation: measures the packets received
Name: SaaS Energy efficiency
Adjusted Name: ?
Source: Guerron2020, KATSAROS-2013-FUTURE (S41)
Entity: ?
Product factor: Energy Efficiency, Energy Consumption, Performance efficiency
Calculation: Ef Servicek = ? j?Service EfVMj / mk
Name: Saving Cost
Adjusted Name: ?
Source: Guerron2020, DOU-2015-TICACBD (S19)
Entity: ?
Product factor: Saving Cost, Energy Consumption, Performance efficiency
Calculation: "The saving cost on energy can benefit users with discount price, calculated as ?C = cu??E and ?E = Einit E?opt , where cu is the unit price of energy charge, E? is the saving energy, Einit is the energy consumed by completing the application tasks with the initial resource allocation, and Eopt is the energy consumption consumed by completing the application tasks after VM scheduling"
Name: Users Scalability
Adjusted Name: ?
Source: Guerron2020, RAVINDHREN-2017-CC (S58)
Entity: ?
Product factor: Scalability, Scalability, Performance efficiency
Calculation: the number of users it can support from a baseline value.
Name: Scalability rate
Adjusted Name: ?
Source: Guerron2020, LU-2018-JSS (S49)
Entity: ?
Product factor: Scalability, Scalability, Performance efficiency
Calculation: maximum available increase capacity / time interval
Name: Resource Scaling
Adjusted Name: ?
Source: Guerron2020, HWANG-2016-TPDS (S36)
Entity: ?
Product factor: Scalability, Scalability, Performance efficiency
Calculation: S (Eq. (5))
Name: service Scaling
Adjusted Name: ?
Source: Guerron2020, GUEROUT-2014-SUSCOM (S30)
Entity: ?
Product factor: Scalability, Scalability, Performance efficiency
Calculation: " S = T srep/n req where Response Time of a service (T srep) in terms of number of requests nreq the service receives"
Name: Scalability Time
Adjusted Name: ?
Source: Guerron2020, GHAHRAMANI-2017-JAS (S26)
Entity: ?
Product factor: Time Scaling, Elasticity, Performance efficiency
Calculation: "Tm = Tj +Tu +To where Tj : time just needed Tu: time underprovisioning To: time overprovisioning"
Name: Security
Adjusted Name: ?
Source: Guerron2020, LIU-2017-BDC (S48)
Entity: ?
Product factor: Security level, , Security
Calculation: secure =<Integrity, Privacy, Availabiltiy, Authenticity>
Name: Security mechanism
Adjusted Name: ?
Source: Guerron2020, RAVINDHREN-2017-CC (S10), BARANWAL-2016-CPE (S58)
Entity: ?
Product factor: Security mechanism, , Security
Calculation: The security in Cloud computing means a set of technologies and user policies designed to follow the regulatory compliance rules and to protect all the resources like information, applications and hardware infrastructure connected with cloud computing use.
Name: Security (SECY-CQ)
Adjusted Name: ?
Source: Guerron2020, ZHENG-2014-TII (S82,S83), ZHENG-2013-SCC ( )
Entity: ?
Product factor: Security breach, , Security
Calculation: " ?= 1- FT(t) where ? represents security and FT(t) denotes a cumulative distribution function of a random variable T indicating the time until the first security breach occurs"
Name: Security cost
Adjusted Name: ?
Source: Guerron2020, SINGH-2015-COMPELECENG (S65)
Entity: ?
Product factor: Security cost, , Security
Calculation: Security cost = % of total company revenue
Name: Security index value (Iv)
Adjusted Name: ?
Source: Guerron2020, RIZVI-2015-ICUIMC (S60)
Entity: ?
Product factor: Security index, , Security
Calculation: "Index = ?(SV Fi) W(Fi Cd) /n * 100 - n represents the total number of factors considered in the security index calculation - SV Fi = ? SF = SF + SF+... + SF where m represents the total number of subfactors for a given factor - Cd represents the code for user assigned weight from top-level factors {Cr, Hg, Md, Lw, No, Uk} {critical, high, medium, low, none, unknown}"
Name: Security Management
Adjusted Name: ?
Source: Guerron2020, EZENWOKE-2018-JCC (S21)
Entity: ?
Product factor: Security Management, , Security
Calculation: This is a rating of the extent to which a service can satisfy user security requirements in terms of access control, privacy, data, infrastructure, etc
Name: security metric
Adjusted Name: ?
Source: Guerron2020, XU-2018-ACCESS (S79)
Entity: ?
Product factor: Security level, , Security
Calculation: "Na(x, n)(x ? n) n is the total number of VMs and x is the number of available VMs."
Name: Security(Sec)
Adjusted Name: ?
Source: Guerron2020, WU-2015-ICIEA (S75)
Entity: ?
Product factor: Security level, , Security
Calculation: "Sec(Ri)={ 1, RSi ? VSi
Name: Server Communication Energy consumption
Adjusted Name: ?
Source: Guerron2020, DOU-2015-TICACBD (S19)
Entity: ?
Product factor: Communication Energy Consumption, Networking Energy Consumption, Performance efficiency
Calculation: "?ESCom= ? ? Dpq/bpq?wpq where Dpq is the amount of data transferred from server Sp to Sq, bpq is the communication bandwidth between Sp and Sq, wpq represents the energy consumption rate for the communication between Sp and Sq."
Name: Server Energy consumption
Adjusted Name: ?
Source: Guerron2020, DOU-2015-TICACBD (S19)
Entity: ?
Product factor: Server Energy consumption, Physical Energy Consumption, Performance efficiency
Calculation: "ES = EBase + ?ERun + ?EIdle + ?EVCom where EBase is the basic energy consumption of S, ?ERun is the energy consumption of all running VMs in the server, ?EIdle is the energy consumption of all idle VMs in S, ?EVCom is the energy consumed by communication among all VMs in S"
Name: Server reliability
Adjusted Name: ?
Source: Guerron2020, FARAGARDI-2013-ICIS (S22)
Entity: ?
Product factor: Server reliability, , Reliability
Calculation: reliability of each server can be calculated by multiplying its processors and other components reliability
Name: service Scaling
Adjusted Name: ?
Source: Guerron2020, HU-2017-ISPDC (S35)
Entity: ?
Product factor: Scalability, Scalability, Performance efficiency
Calculation: "s= ? x AVTu + (1-?) AVTd , ? ? [0,1] where average delay time at scaling down (AVTd), average delay time at scaling up (AVTu)"
Name: Service local Time
Adjusted Name: ?
Source: Guerron2020, BRUNEO-2014-ITPDS (S14)
Entity: ?
Product factor: Execution time, Time behaviour, Performance efficiency
Calculation: "Sl = E[r ux] / Thr [Tserv] where E is expected number of running VMs and Thr is the expected throughput of transition Tserv "
Name: Service Remote Time
Adjusted Name: ?
Source: Guerron2020, BRUNEO-2014-ITPDS (S14)
Entity: ?
Product factor: Execution time, Time behaviour, Performance efficiency
Calculation: "Sr =l/? * qf where qf is federated quality level. It is used when VM multiplexing is not allowed."
Name: Service Time
Adjusted Name: ?
Source: Guerron2020, BRUNEO-2014-ITPDS (S14)
Entity: ?
Product factor: Execution time, Time behaviour, Performance efficiency
Calculation: "S= Sl (E[rl-x]/(E[rl-x]+E[rr -x])) + Sr (E[r r-x]/(E[rl-x]+E[rr -x])) Sl and Sr have to be weighted summed with respect to the conditional probability of being locally or remotely accepted"
Name: service time of the task
Adjusted Name: ?
Source: Guerron2020, XU-2018-ACCESS (S79)
Entity: ?
Product factor: service time of the task, Time behaviour, Performance efficiency
Calculation: fe(t) = �i � e?�it
Name: Settling Time
Adjusted Name: ?
Source: Guerron2020, GHOSH-2010-RDS (S28)
Entity: ?
Product factor: Resiliency, Recoverability, Reliability
Calculation: Settling Time (tset). This is defined as the elapsed time from the time when the change is applied to the system until the measure of interest reaches and stays within �?% of |Mss(bc)?Mss(ac)|
Name: Shortage capacity
Adjusted Name: ?
Source: Guerron2020, RIZVI-2017-JPROCS (S61)
Entity: ?
Product factor: Capacity of a service, Capacity, Performance efficiency
Calculation: "Shortage(i)= Cap_min(i)�Cap_prov(i) when Cap_min(i) > Cap_prov(i) and zero otherwise"
Name: Skew
Adjusted Name: ?
Source: Guerron2020, GARCIA-2018-COMCOM (S23)
Entity: ?
Product factor: Skew, Time behaviour, Performance efficiency
Calculation: Clock skew between sender and receiver from RTP timestamp
Name: SLA Violation Time per Active Host (SLATAH)
Adjusted Name: ?
Source: Guerron2020, GHAFARI-2013-IC3 (S25)
Entity: ?
Product factor: SLA violation, Time behaviour, Performance efficiency
Calculation: SLATAH is percentage of time that active hosts experienced CPU utilization of 100%
Name: SLA violation(SLAV)
Adjusted Name: ?
Source: Guerron2020, GHAFARI-2013-IC3 (S25)
Entity: ?
Product factor: SLA violation, Time behaviour, Performance efficiency
Calculation: "SLAV = SLATAH .PDM where PDM is Performance Degradation due to Migrations, SLA Violation Time per Active Host (SLATAH)"
Name: SLA/Security
Adjusted Name: ?
Source: Guerron2020, HWANG-2016-TPDS (S36)
Entity: ?
Product factor: SLA/Security, , Security
Calculation: Compliance of SLA, security, privacy or copyright regulations
Name: Sobel filter
Adjusted Name: ?
Source: Guerron2020, SLIVAR-2016-ICMS (S66)
Entity: ?
Product factor: Video Quality, Physical utilization, Performance efficiency
Calculation: [Sobel(Fn)] is each video frame (luminance plane) at time n(Fn) and it is first filtered with the Sobel filter .
Name: Software Tooling
Adjusted Name: ?
Source: Guerron2020, HWANG-2016-TPDS (S36)
Entity: ?
Product factor: Software Tooling, Adaptability, Portability
Calculation: Sw
Name: Speed
Adjusted Name: ?
Source: Guerron2020, HWANG-2016-TPDS (S36)
Entity: ?
Product factor: Operation time, Time behaviour, Performance efficiency
Calculation: Number of operations executed per second, (PFlops, TPS, WIPS, etc.)
Name: Speedup
Adjusted Name: ?
Source: Guerron2020, HWANG-2016-TPDS (S36)
Entity: ?
Product factor: Speedup, Time behaviour, Performance efficiency
Calculation: Su
Name: Stability
Adjusted Name: ?
Source: Guerron2020, ARUMUGAM-2017-ICCMC (S07), GARG-2013-FUTURE (S24), GUEROUT-2014-SUSCOM (S30)
Entity: ?
Product factor: performance Stability, Time behaviour, Performance efficiency
Calculation: "? (?avg.i ??sla.i) / (T /n) where ? can be computational unit, network unit or storage unit of the resource, ?avg.i is the observed average performance of the user i who leased the Cloud service, ?sla.i is the promised values in the SLA, T is the service time, n is the total number of users In the case of a computing service, the stability is defined as the difference between the achieved performance and the specified performance in the SLA: St(t1, t2) = avg(t1, t2), where ? is a unit of computing, network or resource storage, ?u-avg is the average performance of the requested service between the time instant"
Name: Stabilize rate
Adjusted Name: ?
Source: Guerron2020, HASAN-2017-TSUSC (S31)
Entity: ?
Product factor: performance Stability, Time behaviour, Performance efficiency
Calculation: Error (t)= 1-?(t)*r(t)
Name: Static changes
Adjusted Name: ?
Source: Guerron2020, SINGH-2015-COMPELECENG (S65)
Entity: ?
Product factor: Customizability workload, Elasticity, Performance efficiency
Calculation: Number of static changes in a Cloud service/workload (Ns)
Name: Steady-state availability
Adjusted Name: ?
Source: Guerron2020, MESBAHI-2018-HCIIS (S52)
Entity: ?
Product factor: Steady-state availability, Service Availability, Reliability
Calculation: "A(?) = lim A(T) T??"
Name: Storage Capacity
Adjusted Name: ?
Source: Guerron2020, BARANWAL-2014-IACC (S09), GARG-2013-FUTURE (S10), HWANG-2016-TPDS (S24), BARANWAL-2016-CPE (S36), SOUZA-2016-ISCC (S69)
Entity: ?
Product factor: Storage capacity, Physical Capacity, Performance efficiency
Calculation: measures the storage capacity with virtual disks to serve many user groups. Measured in GB), , Sg, , GBs
Name: Storage changes
Adjusted Name: ?
Source: Guerron2020, SOUZA-2016-ISCC (S69)
Entity: ?
Product factor: Storage horizontal scalability, Scalability, Performance efficiency
Calculation: Permissible storage changes to increased workloads
Name: Storage cost
Adjusted Name: ?
Source: Guerron2020, BOUSSELMI-2016-AINA (S13)
Entity: ?
Product factor: Storage cost, Physical utilization, Performance efficiency
Calculation: "?Cj*Dj where Dj is the maximum data to be stored in the storage resource D sj associated to VM l, Cj Execution time of a task j on especific VM"
Name: Storage size
Adjusted Name: ?
Source: Guerron2020, SOUZA-2016-ISCC (S48), LIU-2017-BDC (S69)
Entity: ?
Product factor: Storage Capacity, Physical Capacity, Performance efficiency
Calculation: "measure the size of storage data. GBs, Content --> Real size of storage data"
Name: StreamEye
Adjusted Name: ?
Source: Guerron2020, GARCIA-2018-COMCOM (S23)
Entity: ?
Product factor: StreamEye, Time behaviour, Performance efficiency
Calculation: SE
Name: System Continuity
Adjusted Name: ?
Source: Guerron2020, FARAGARDI-2013-ICIS (S22)
Entity: ?
Product factor: Continuity, Continuity, Reliability
Calculation: "Rs(x) = Rs�(x)*Rs��(x) where Rs(x) is system reliability for assignment X. Rs�(x) is system reliability without considering failure of links. Rs��(x)is system reliability without considering failure of servers. X = [x ij]is task to precessor assignment matrix"
Name: TCP connections
Adjusted Name: ?
Source: Guerron2020, HU-2017-ISPDC (S35)
Entity: ?
Product factor: Connections, Connectivity, Performance efficiency
Calculation: measures the TCP connections
Name: Testing time
Adjusted Name: ?
Source: Guerron2020, SINGH-2015-COMPELECENG (S65)
Entity: ?
Product factor: Testing time, Testability, Maintainability
Calculation: Testing Time = Time to prepare test environment + Time to execute Test Suite for a Cloud workload. (Test Suite is collection of test cases).
Name: TGuard
Adjusted Name: ?
Source: Guerron2020, LIU-2017-BDC (S48)
Entity: ?
Product factor: TGuard , Time behaviour, Performance efficiency
Calculation: TGuard: Trans-->?( C)
Name: Throughput
Adjusted Name: ?
Source: Guerron2020, TAHERIZADEH-2017-COMPSAC (S70)
Entity: ?
Product factor: Throughput, Time behaviour, Performance efficiency
Calculation: measures the rate at which requests are processed
Name: Throughput
Adjusted Name: ?
Source: Guerron2020, LU-2018-JSS (S36), PREUVENEERS-2016-JSS (S49), HWANG-2016-TPDS (S55)
Entity: ?
Product factor: Throughput, Time behaviour, Performance efficiency
Calculation: "the number of service requests served / total service time where a request can be jobs, tasks,operations"
Name: Throughput
Adjusted Name: ?
Source: Guerron2020, PEDERSEN-2011-DASC (S54)
Entity: ?
Product factor: Throughput, Time behaviour, Performance efficiency
Calculation: Average maximum data rate from sender to receiver when transmitting a file.
Name: Throughput
Adjusted Name: ?
Source: Guerron2020, SOUZA-2016-ISCC (S30), IBRAHIM-2018-CLOUD (S37), GUEROUT-2014-SUSCOM (S69)
Entity: ?
Product factor: Throughput, Time behaviour, Performance efficiency
Calculation: "� =n/B(n) where B(n) is the time needed to send n bytes"
Name: Throughput
Adjusted Name: ?
Source: Guerron2020, XIONG-2015-ICDCSW (S78)
Entity: ?
Product factor: Throughput, Time behaviour, Performance efficiency
Calculation: It is defined by the maximum throughput or by the undergoing change of throughput with service intensity.
Name: Throughput
Adjusted Name: ?
Source: Guerron2020, GHAHRAMANI-2017-JAS (S26), RIZVI-2017-JPROCS (S40), KARIM-2015-SOSE (S61)
Entity: ?
Product factor: Throughput, Time behaviour, Performance efficiency
Calculation: Throughput= (Tasks -Completed)/ (#Computations /Cloud) -Resource
Name: Throughput App
Adjusted Name: ?
Source: Guerron2020, BARANWAL-2014-IACC (S09,S10), BARANWAL-2016-CPE ( )
Entity: ?
Product factor: Throughput, Time behaviour, Performance efficiency
Calculation: "Thrapp=n/(T-To) T: the execution of tasks of an application in traditional data center To: the overhead of Cloud data centre n:collection of tasks"
Name: Throughput Cloud
Adjusted Name: ?
Source: Guerron2020, GARG-2013-FUTURE (S24)
Entity: ?
Product factor: Throughput, Time behaviour, Performance efficiency
Calculation: "total throughput of a Cloud service ? =n/Te(n, m) + To Te(n, m) be the execution time of n tasks on m machines. To be the time overhead due to various factors such as infrastructure initiation delays and inter task communication delays Let an user application have �n� tasks and they are submitted to run on �m� machines from the Cloud provider. "
Name: Time constraint
Adjusted Name: ?
Source: Guerron2020, LIU-2017-BDC (S48)
Entity: ?
Product factor: Time constraint, Time behaviour, Performance efficiency
Calculation: "Time=(C,TGuard,CReset) where C is the clock variable, Tguard is clock guard, Creset is reseting clock"
Name: Time Behaviour
Adjusted Name: ?
Source: Guerron2020, NADANAM-2009-ICCCNT (S53)
Entity: ?
Product factor: Time Behaviour, Time behaviour, Performance efficiency
Calculation: "Behavior of Time (BoT) BoT =waiting time/Total time for service invocation The denominator is the time taken for sending the requests and receiving a response. The numerator is waiting time for the service to get executed"
Name: Time Behaviour
Adjusted Name: ?
Source: Guerron2020, LEE-2009-ACIS (S44)
Entity: ?
Product factor: Time Behaviour, Time behaviour, Performance efficiency
Calculation: "TB =(executiontime)/(total service invocation time) where the denominator is the consumed time period from sending request to receiving response. The numerator is an execution time just for processing functionality.The execution time can be computed as (total service invocation time � waiting time)."
Name: Time between consecutive service failures
Adjusted Name: ?
Source: Guerron2020, SOUZA-2016-ISCC (S69)
Entity: ?
Product factor: Mean Time between Failures, Fault tolerance, Reliability
Calculation: NormalOperationalPeriodDuration/NumberOfFailures
Name: Time slot utility function
Adjusted Name: ?
Source: Guerron2020, SON-2015-ISF (S67)
Entity: ?
Product factor: Time slot, Time behaviour, Performance efficiency
Calculation: "time slot utility UPT(X) = uX,min + (1 + uX,min)* |RXp -X / RXp-IXp|
Name: Time Spent with Physics (TSP)
Adjusted Name: ?
Source: Guerron2020, HASSAM-2014-ISMMWA (S32)
Entity: ?
Product factor: Execution time, Time behaviour, Performance efficiency
Calculation: TSP= tPhysicsSimulationResults � tSimulatePhysics.
Name: Time Spent with Rendering (TSR)
Adjusted Name: ?
Source: Guerron2020, HASSAM-2014-ISMMWA (S32)
Entity: ?
Product factor: Execution time, Time behaviour, Performance efficiency
Calculation: TSR = tSceneDataUpdated � tUpdateSceneData.
Name: Timeliness
Adjusted Name: ?
Source: Guerron2020, GHAHRAMANI-2017-JAS (S26)
Entity: ?
Product factor: Timeliness, Time behaviour, Performance efficiency
Calculation: "TL(i) = Twait(i) +Texec(i) +Ttrans(i) TL(i) represents the total completion time, Twait(i) is the waiting time, Texec(i) is the task execution time, Ttrans(i) indicates the transmission time of the i-th task during VM migration"
Name: Total processes number
Adjusted Name: ?
Source: Guerron2020, HU-2017-ISPDC (S35)
Entity: ?
Product factor: Server Capacity, Physical Capacity, Performance efficiency
Calculation: measures the total number of process
Name: Transcoding Jitter Probability
Adjusted Name: ?
Source: Guerron2020, RAN-2014-GCWKSHPS (S57)
Entity: ?
Product factor: Jitter, Time behaviour, Performance efficiency
Calculation: "? = Tj/Ttotal, where Tj specifies the total jitter time and Ttotal means the total runtime of the system "
Name: Turnaround efficiency
Adjusted Name: ?
Source: Guerron2020, MANUEL-2015-AOR (S50)
Entity: ?
Product factor: Turnaround Time, Time behaviour, Performance efficiency
Calculation: TE = Turnaround Efficiency for a job by resource Rk = Promised Turnaround time by Rk in the SLA / Actual Turnaround time by Rk to complete the job
Name: Turnaround efficiency (TE)
Adjusted Name: ?
Source: Guerron2020, GHOLAMI-2015-KBEI (S27)
Entity: ?
Product factor: Turnaround Efficiency, Resource utilization, Performance efficiency
Calculation: "TE=wAV + wRE+wDI+wRT, where AV is availability, RE is reliability, DI is data integrity, RT is response time"
Name: tx_bytes
Adjusted Name: ?
Source: Guerron2020, TAHERIZADEH-2017-COMPSAC (S70)
Entity: ?
Product factor: Packets received, Networking Capacity, Performance efficiency
Calculation: measures the bytes sent in Packets received
Name: tx_packets
Adjusted Name: ?
Source: Guerron2020, TAHERIZADEH-2017-COMPSAC (S70)
Entity: ?
Product factor: Packets sent, Networking Capacity, Performance efficiency
Calculation: measures the packets sent (tx_packets)
Name: Underprovisioning ratio
Adjusted Name: ?
Source: Guerron2020, ABDELADIM-2014-CIST (S02)
Entity: ?
Product factor: Underprovisioning, Elasticity, Performance efficiency
Calculation: "UDPR DT = 1 - 1/n n as a number of the requests received during a period of time DT and i the number of the requests where the requested resources are beyond the available resources"
Name: Underprovisioning resource
Adjusted Name: ?
Source: Guerron2020, HU-2017-ISPDC (S35)
Entity: ?
Product factor: Underprovisioning, Elasticity, Performance efficiency
Calculation: ? underprovisioning resource
Name: Availability / Availability
Adjusted Name: ?
Source: Guerron2020, RIZVI-2017-JPROCS (S61), WAGLE-2015-CLOUDCOM (S65), SINGH-2015-COMPELECENG (S72); Slimani2020
Entity: ?
Product factor: Service Availability, Service Availability, Reliability
Calculation: "Availability=MTBF/(MTBF + MTTR) where MTBF represents the mean time between failures (uptime) MTTR represents the mean time to repair (downtime)"
Name: Uptime percentage
Adjusted Name: ?
Source: Guerron2020, GUEROUT-2014-SUSCOM (S30)
Entity: ?
Product factor: Service Availability, Service Availability, Reliability
Calculation: Av =? 1/fdp(t) * dt
Name: Uptime percentage
Adjusted Name: ?
Source: Guerron2020, BAO-2010-ICACTE (S08)
Entity: ?
Product factor: Service Availability, Service Availability, Reliability
Calculation: "Av(s)=100% -UAv(s) UAv(s)= ( ?SF(t) / AG(t) ) x 100% SF(t) is the service unavailable time during the negotiated time, AG(t) is the negotiated time."
Name: Uptime ratio
Adjusted Name: ?
Source: Guerron2020, ARUMUGAM-2017-ICCMC (S07), CEDILLO-2015-SCC (S15), GARG-2013-FUTURE (S24), GHAHRAMANI-2017-JAS (S26)
Entity: ?
Product factor: Service Availability, Service Availability, Reliability
Calculation: Availability = ((total service time) �(total time for which service was not available))/ (total service time)
Name: Uptime ratio
Adjusted Name: ?
Source: Guerron2020, ZANT-2015-JCC (S81), RAVINDHREN-2017-CC (S58), ZHOU-2015-HPCC (S84), ZHENG-2013-SCC (S82), LU-2018-JSS (S49), EZENWOKE-2018-JCC (S21), BOUSSELMI-2016-AINA (S13), ZHENG-2014-TII (S83), SOUZA-2016-ISCC (S69), XIONG-2015-ICDCSW (S78), HWANG-2016-TPDS (S36), BARDHAN-2012-WCS (S12)
Entity: ?
Product factor: Service Availability, Service Availability, Reliability
Calculation: Availability = TotalUptime/TotalTime
Name: User Self Service Rate
Adjusted Name: ?
Source: Guerron2020, SINGH-2015-COMPELECENG (S65)
Entity: ?
Product factor: Service use rate, Resource utilization, Performance efficiency
Calculation: Self Service Rate =100%-(# of Inquiries regarding workloads/# of Support Resource Visits)
Name: Utility of performance for request(Pi)
Adjusted Name: ?
Source: Guerron2020, WU-2015-ICIEA (S75)
Entity: ?
Product factor: Performance utility, Time behaviour, Performance efficiency
Calculation: "Pi=1/(wt max ? {tij} + wc ? cij+ we? eij) T is waiting time matrix, C is cost matrix and E is energy consumption matrix. where wt, wc, we are weights of waiting time, cost and energy consumption. Sum of weights is equal to 1."
Name: Data center utilization
Adjusted Name: ?
Source: Guerron2020, BRUNEO-2014-ITPDS (S14)
Entity: ?
Product factor: Data center utilization, Resource utilization, Performance efficiency
Calculation: "U = min{ 1
Name: Time Utilization
Adjusted Name: ?
Source: Guerron2020, XIONG-2015-ICDCSW (S78)
Entity: ?
Product factor: Resource Utilization, Resource utilization, Performance efficiency
Calculation: Utilization= (time that cloud resources are utilized/ total time of cloud resources) *100
Name: Variability
Adjusted Name: ?
Source: Guerron2020, RIZVI-2017-JPROCS (S61)
Entity: ?
Product factor: Variability, Reusability, Maintainability
Calculation: Variability= standard deviation of the metrics
Name: Variability through relative standard deviation (RSD)
Adjusted Name: ?
Source: Guerron2020, ZANT-2015-JCC (S81)
Entity: ?
Product factor: Performance of Virtual Machine, Virtualized utilization, Performance efficiency
Calculation: "RSD = 1/E(x)? 1/(N-1) * ?(xi ? E(x))^2, where N is the total number of measurements, x1, ... , xN are the measured results, and E(x) is the mean of those measurements."
Name: Variable Computing Load
Adjusted Name: ?
Source: Guerron2020, SINGH-2015-COMPELECENG (S65)
Entity: ?
Product factor: Variable Computing Load, Capacity, Performance efficiency
Calculation: "Variable Computing Load = Change in Load Balancing (?LB) ?LB= Actual load at time t/Expected load at time t "
Name: Vertical scalability
Adjusted Name: ?
Source: Guerron2020, GARG-2013-FUTURE (S24)
Entity: ?
Product factor: Vertical scalability, Scalability, Performance efficiency
Calculation: "vertical scalability=?mi ?nij (proportion of increase in rij ). where rij be resource j that needs to be enhanced on Cloud service i, n and m be the number of resources assigned to a particular Cloud service and the number of Cloud services used by the user, respectively."
Name: Video Quality Score(VQS)
Adjusted Name: ?
Source: Guerron2020, SAMET-2016-WAINA (S64)
Entity: ?
Product factor: Display video streaming, Physical utilization, Performance efficiency
Calculation: "VQS = ? Qi * Duration/Qmax ? Total Duration ? 100 where Qi quality displayed, Qmax maximal quality that can be displayed"
Name: Virtual Systems
Adjusted Name: ?
Source: Guerron2020, GHAHRAMANI-2017-JAS (S26)
Entity: ?
Product factor: Virtual Systems resources, Installability, Portability
Calculation: identify the cloud virtual infrastructure
Name: Virtualization measure
Adjusted Name: ?
Source: Guerron2020, BARANWAL-2016-CPE (S10)
Entity: ?
Product factor: Virtualization platform, Installability, Portability
Calculation: identify the Virtualization platform support
Name: VM available probability
Adjusted Name: ?
Source: Guerron2020, XU-2018-ACCESS (S79)
Entity: ?
Product factor: VM availability, Resource Availability, Reliability
Calculation: "pa = ?G + ?A = 1 ? ?F Sum i?(G,A,F) ?i = 1. steady-state probabilities of states: G good, A attack, F fail. "
Name: VM Communication Energy consumption
Adjusted Name: ?
Source: Guerron2020, DOU-2015-TICACBD (S19)
Entity: ?
Product factor: VM Energy Consumption, Virtualized Energy Consumption, Performance efficiency
Calculation: "energy consumption for communication among all VMs in the server S, ?EVCom= ? ?dij/bS?wS where dij represents the amount of data transferred from Vi to Vj in S, bS is the internal communication bandwidth of S, wS is the energy consumption rate for the internal communication among VMs of S."
Name: VM Energy efficiency
Adjusted Name: ?
Source: Guerron2020, KATSAROS-2013-FUTURE (S41)
Entity: ?
Product factor: VM Energy Efficiency, Virtualized Energy Consumption, Performance efficiency
Calculation: EfVMj
Name: VM Iddle Energy Consumption
Adjusted Name: ?
Source: Guerron2020, DOU-2015-TICACBD (S19)
Entity: ?
Product factor: VM Energy Efficiency, Virtualized Energy Consumption, Performance efficiency
Calculation: "?EIdle = ?tj ? Pl = ? tj ?? S i-? where l is the number of iddle VMs in the server
Name: VM Migrations
Adjusted Name: ?
Source: Guerron2020, ABD-2017-JOCS (S01)
Entity: ?
Product factor: VM Migrations, Virtualized utilization, Performance efficiency
Calculation: measures how much migrations happened during VM allocation
Name: VM Run Energy Consumption
Adjusted Name: ?
Source: Guerron2020, DOU-2015-TICACBD (S19)
Entity: ?
Product factor: VM Energy Efficiency, Virtualized Energy Consumption, Performance efficiency
Calculation: "?ERun = ?ti ? PR = ? ti ?? S r-? where R is the number of running VMs in the server
Name: Waiting time
Adjusted Name: ?
Source: Guerron2020, WU-2015-ICIEA (S75)
Entity: ?
Product factor: Waiting Time, Time behaviour, Performance efficiency
Calculation: Ri=max {tij| tij ? ti}
Name: Waiting time
Adjusted Name: ?
Source: Guerron2020, BRUNEO-2014-ITPDS (S14)
Entity: ?
Product factor: Waiting Time, Time behaviour, Performance efficiency
Calculation: "W = E[rq1x] + E[rq2x] /Thr(Tarr) * A where Thr(Tarr) is the expected throughput of transition Tarr. rq1 = P# queue
Name: Web access rate
Adjusted Name: ?
Source: Guerron2020, SINGH-2015-COMPELECENG (S65)
Entity: ?
Product factor: Web server access, Physical Time behaviour, Performance efficiency
Calculation: measures the number of accesses per second
Name: Workload arrival rate
Adjusted Name: ?
Source: Guerron2020, HASAN-2017-TSUSC (S31)
Entity: ?
Product factor: Workload rate, Time behaviour, Performance efficiency
Calculation: ?(t)=?(t-1)/?median
Name: writeLatency
Adjusted Name: ?
Source: Guerron2020, TAHERIZADEH-2017-COMPSAC (S70)
Entity: ?
Product factor: Latency, Time behaviour, Performance efficiency
Calculation: measures the Keyspace write latency
Name: Flexible Capacity ( C)
Adjusted Name: ?
Source: Guerron2020, SINGH-2015-COMPELECENG (S65)
Entity: ?
Product factor: Flexibility, Flexibility, Maintainability
Calculation: "C =?Ki
Name: Flexible Degree
Adjusted Name: ?
Source: Guerron2020, SINGH-2015-COMPELECENG (S65)
Entity: ?
Product factor: Flexibility, Flexibility, Maintainability
Calculation: "Flexible Degree, a measure for service flexibility at FXPi. Flexible Point (FXPi)"
Name: Flexible Distance (Si)
Adjusted Name: ?
Source: Guerron2020, SINGH-2015-COMPELECENG (S65)
Entity: ?
Product factor: Flexibility, Flexibility, Maintainability
Calculation: "Flexible Distance Si: Ki = Si/ (1 + fi)"
Name: Flexible Force (Fi)
Adjusted Name: ?
Source: Guerron2020, SINGH-2015-COMPELECENG (S65)
Entity: ?
Product factor: Flexibility, Flexibility, Maintainability
Calculation: Flexible Force Fi: Minimum external force Fe applied to FXPi that may cause service to change. Flexible Point (FXPi)
Name: Flexible Point
Adjusted Name: ?
Source: Guerron2020, SINGH-2015-COMPELECENG (S65)
Entity: ?
Product factor: Flexibility, Flexibility, Maintainability
Calculation: A point or a location in service which can cause flexible changes to occur, upon which the external force Fe may apply. Fe causes software to change through the flexible point.
Name: inconsistency window
Adjusted Name: ?
Source: Kuhlenkamp2019
Entity: Service
Product factor: Availability, Seamless upgrades
Calculation: Difference between the time of a last response from an old version and the time of the earliest start of a new version when upgrading a service
Name: Average number of requests
Adjusted Name: ?
Source: Li2020
Entity: Endpoint
Product factor: Capability
Calculation: Average number of tasks over a defined period of time
Name: Average task response time
Adjusted Name: ?
Source: Li2020
Entity: Service
Product factor: Time-behaviour
Calculation: Average number of tasks / task arrival rate
Name: Throughput
Adjusted Name: ?
Source: Li2020
Entity: Service
Product factor: Time-behaviour
Calculation: Task arrival rate (output should be the same as the input)
Name: Quality of Service
Adjusted Name: ?
Source: Li2020
Entity: Service
Product factor: Time-behaviour
Calculation: 1 / average task response time
Name: Average number of VMs
Adjusted Name: ?
Source: Li2020
Entity: System
Product factor: Cost efficiency
Calculation: Average number of all servers (busy, idle, being shut down)
Name: Average number of busy VMs
Adjusted Name: ?
Source: Li2020
Entity: System
Product factor: Cost efficiency
Calculation: Average number of only the busy servers
Name: Utilization
Adjusted Name: ?
Source: Li2020
Entity: System
Product factor: Cost efficiency
Calculation: Average number of busy VMs / Average number of VMs
Name: Cost
Adjusted Name: ?
Source: Li2020
Entity: System
Product factor: Cost efficiency
Calculation: Renting cost and cost of static power consumption + cost of dynamic power consumption
Name: Cost-performance ratio
Adjusted Name: ?
Source: Li2020
Entity: System
Product factor: Cost efficiency
Calculation: Cost * Quality of Service (because cost/performance)
Name: Productivity
Adjusted Name: ?
Source: Li2020
Entity: System
Product factor: Cost efficiency
Calculation: Throughput / Cost-performance ratio
Name: Production-driven scalability
Adjusted Name: ?
Source: Li2020
Entity: System
Product factor: Cost efficiency
Calculation: ?
Name: Client-side Communication via Facade utilization metric
Adjusted Name: Centralization of externally available endpoints
Source: Ntentos2020
Entity: System
Product factor: Separation by gateways
Calculation: Number of Client to Facade Links / Number of Unique Client Links
Name: API Composition utilization metric
Adjusted Name: ?
Source: Ntentos2020
Entity: System
Product factor: Separation by gateways
Calculation: (Number of Client to Services via other Services Routes / Total Number of Services) / Number of Unique Client Links
Name: Service Composition Pattern
Adjusted Name: ?
Source: Hirzalla2009
Entity: System, Service
Product factor: Separation by gateways
Calculation: Composite Services / Total Number of Services
Name: Service Messaging Persistence utilization metric
Adjusted Name: ?
Source: Ntentos2020
Entity: System, Link
Product factor: ?
Calculation: Service Interconnections with Messaging or Stream Processing / Number of Service Interconnections
Name: Shared DataBase utilization metric / Shared Database Interactions
Adjusted Name: ?
Source: Ntentos2020, Ntentos2020a
Entity: System
Product factor: Backing Service decentralization
Calculation: Service Interconnections with SharedDB / Number of Service Interconnections
Name: Outbox/Event Sourcing utilization metric
Adjusted Name: ?
Source: Ntentos2020
Entity: System, Link
Product factor: ?
Calculation: Service Interconnections with Outbox or Event Sourcing / Number of Service Interconnections
Name: Services and Facades supporting Distributed Tracing
Adjusted Name: ?
Source: Ntentos2020
Entity: System
Product factor: Distributed Tracing
Calculation: Services and Facades Support Distributed Tracing / Number of Services and Facades
Name: Service Interaction via Central Component utilization metric
Adjusted Name: ?
Source: Ntentos2020
Entity: System, Link
Product factor: Distributed Tracing
Calculation: Service Interaction via Central Component w/o Event Sourcing
Name: Service Interaction with Event Sourcing utilization metric
Adjusted Name: ?
Source: Ntentos2020
Entity: System, Link
Product factor: Distributed Tracing
Calculation: Service Interaction via Central Component with Event Sourcing
Name: Database Type Utilization
Adjusted Name: ?
Source: Ntentos2020a
Entity: System
Product factor: Backing Service decentralization
Calculation: Database per Service Links / Total Service-to-Database Links
Name: Service Interaction via Intermediary Component
Adjusted Name: ?
Source: Ntentos2020a
Entity: System
Product factor: Service independence
Calculation: Service Interconnections via [MessageBrokers|Pub/sub|Stream] / Total Service Interconnections
Name: Asynchronous Communication Utilization
Adjusted Name: ?
Source: Ntentos2020a
Entity: System, Link
Product factor: Asynchronous communication
Calculation: Asynchronous Service Interconnections via [API | Polling |DirectCalls | SharedDB] / Total Service Interconnections
Name: Direct Service Sharing
Adjusted Name: ?
Source: Ntentos2020a
Entity: System
Product factor: Service independence
Calculation: ((Shared Services / Total Services) + (SharedServicesConnectors / TotalServiceInterconnections)) / 2
Name: Transitively Shared Services
Adjusted Name: ?
Source: Ntentos2020a
Entity: System
Product factor: Service independence
Calculation: /(TransitivelySharedService / TotalServices) + (Transitively Shared ServicesConnectors / Total Service Interconnections)) / 2
Name: Lines of code (LOC) for deployment configuration.
Adjusted Name: Lines of code (LOC) for deployment configuration.
Source: Lehmann2017, Talwar2005
Entity: Component, Infrastructure
Product factor: Maintainability, Use infrastructure as Code, Automated continuous delivery
Calculation: Number of lines of files for component deployment
Name: Number of steps involved in deployment
Adjusted Name: Number of steps for deployment
Source: Lehmann2017, Talwar2005
Entity: Component, Infrastructure
Product factor: Maintainability, Portability, Use infrastructure as Code, Ease of deployment
Calculation: Number of steps to deploy a component
Name: LOC to express configuration changes
Adjusted Name: LOC needed to change deployment configuration
Source: Lehmann2017, Talwar2005
Entity: Component, Infrastructure
Product factor: Maintainability, Portability, Use infrastructure as Code, Ease of deployment
Calculation: Average amount of LOC to change for an update of a component
Name: Time to develop and deploy a change.
Adjusted Name: Amount of time from deployment trigger to component available
Source: Lehmann2017, Talwar2005
Entity: Component
Product factor: Maintainability, Portability, Ease of deployment
Calculation: Amount of time for one deployment process execution
Name: Cohesiveness of Services
Adjusted Name: Covesiveness of Service
Source: Oliveira2018, La2013
Entity: Service
Product factor: Cohesion, Modularity, Limited functional scope
Calculation: Number of functionalities of a service / Number of services that provide that functionality (if Number of functionalities of a service > Number of services that provide that functionality) or Number of services that provide that functionality / Number of functionalities of a service (if Number of functionalities of a service < Number of services that provide that functionality)
Name: Minimality of Dependency
Adjusted Name: Degree of dependence on other components
Source: Oliveira2018, La2013, Oh2011
Entity: Service
Product factor: Cohesion, Modularity, Service independence
Calculation: 1 - (Number of endpoints relying on external services / Total number of endpoints of a service)
Name: Coverage of Variability
Adjusted Name: Degree of functionality variability
Source: Oliveira2018, La2013, Oh2011
Entity: Service
Product factor: Interoperability, API-based communication
Calculation: Number of Variation Point Supported / Total Number of Potential Variation Points
Name: Completeness of Variant Set
Adjusted Name: Completeness of Variant Set
Source: Oliveira2018, La2013, Oh2011
Entity: Service
Product factor: Interoperability, API-based communication
Calculation: (sum-of (Number of Variants Supported in Variation Point / Total Number of Potential Variants in Variation Point) for all Variation Points) / Total Number of Variation Points
Name: Effectiveness of Service Adaptation
Adjusted Name: Efficiency of service adaptation
Source: Oliveira2018, La2013
Entity: Endpoint, Service
Product factor: Interoperability, API-based communication
Calculation: (Degree of effort to adapt to variation / Number of Variation Points supported)
Name: Inter-CaaS Composability
Adjusted Name: Service composability
Source: Oliveira2018, La2013
Entity: Service
Product factor: Interoperability
Calculation: Number of Services without complication / Number of Services with which a Service interacts
Name: CaaS-to-Application Composability
Adjusted Name: CaaS-to-Application Composability
Source: Oliveira2018, La2013
Entity: Service
Product factor: Interoperability
Calculation: (Number of Objects without Complication / Number of Objects Interacting with Target CaaS)
Name: Average Service State Dependency
Adjusted Name: Relation of stateful components
Source: Qian2006
Entity: System, Component
Product factor: Mostly stateless services
Calculation: (Number of stateful Components / Total Number of Components)
Name: Stateless Services
Adjusted Name: Relation of stateless components
Source: Hirzalla2009
Entity: System, Component
Product factor: Mostly stateless services
Calculation: (Number of stateless Components / Total Number of Components)
Name: Average Service Persistent Dependency
Adjusted Name: Degree to which components are linked to stateful components
Source: Qian2006
Entity: System, Component
Product factor: Mostly stateless services, Loose coupling
Calculation: (sum-of(Number of stateful Components a Component is linked to) for all components) / Total Number of Components)
Name: Availability / Service Availability
Adjusted Name: Runtime Availability
Source: AbdelBaky2019; Slimani2020
Entity: Component
Product factor: Availability
Calculation: runtime / runtime + downtime
Name: Reliability / Service Reliability
Adjusted Name: Runtime Reliability
Source: AbdelBaky2019; Slimani2020
Entity: Endpoint
Product factor: Reliability
Calculation: number of executed tasks / number of assigned tasks
Name: Failure Rate
Adjusted Name: Runtime Failure Rate
Source: AbdelBaky2019
Entity: Endpoint
Product factor: Reliability
Calculation: number of failed tasks / time period
Name: Total Compute Cost
Adjusted Name: Runtime Compute Cost per time unit
Source: AbdelBaky2019
Entity: Infrastructure
Product factor: Cost efficiency
Calculation: sum-of(sum-of(compute cost per time unit) for all resources) for all availability zones
Name: Average Compute Cost
Adjusted Name: Runtime Average Compute Cost per time unit
Source: AbdelBaky2019
Entity: Infrastructure
Product factor: Cost efficiency
Calculation: (sum-of(sum-of(compute cost per time unit) for all resources) for all availability zones) / (sum-of(sum-of(total capacity of resources) for all resources) for all availability zones)
Name: Tracing Sampling Rate
Adjusted Name: Runtime coverage of executions by traces
Source: Bento2021
Entity: Endpoint, Request trace
Product factor: Distributed Tracing of Invocations
Calculation: Number of runtime invocations covered by distributed tracing
Name: Temporal Coverage of a Trace
Adjusted Name: Runtime coverage of total trace execution time by children trace spans
Source: Bento2021
Entity: Endpoint, Request trace
Product factor: Distributed Tracing of Invocations
Calculation: Amount of time of a span covered by children spans
Name: Identification of related component through trace
Adjusted Name: Possibility to relate spans to components of the system
Source: Bento2021
Entity: Endpoint, Request trace
Product factor: Distributed Tracing of Invocations
Calculation: Number of spans which can be clearly related to a component of an architecure
Name: Average Path Length
Adjusted Name: Average URL path length of all endpoints of a service
Source: Bogner2020, Haupt2017
Entity: Service, Endpoint
Product factor: Simplicity (Complexity)
Calculation: sum-of(path length of all endpoint URLs of a service) / Number of Endpoints of a service
Name: Arguments per Operation
Adjusted Name: Average number of arguments per endpoint
Source: Bogner2020, BASCI2009
Entity: Service, Endpoint
Product factor: Simplicity (Complexity)
Calculation: sum-of(number of arguments of all endpoints of a service) / Number of Endpoints of a service
Name: Biggest root coverage
Adjusted Name: ?
Source: Bogner2020, Haupt2017
Entity: Service, Endpoint
Product factor: Simplicity (Complexity)
Calculation: ?
Name: Data Weight
Adjusted Name: Complexity of a Service API based on endpoint message complexity
Source: Bogner2020, BASCI2009
Entity: Service, Endpoint
Product factor: Simplicity (Complexity)
Calculation: sum-of(weights assigned to message parts) for all messages used in a service's endpoints
Name: Distinct Message Ratio
Adjusted Name: ?
Source: Bogner2020, BASCI2009
Entity: Service, Endpoint
Product factor: Simplicity (Complexity)
Calculation: ?
Name: Longest Path
Adjusted Name: ?
Source: Bogner2020, Haupt2017
Entity: Service, Endpoint
Product factor: Simplicity (Complexity)
Calculation: Longest URL path of all endpoints in a Service
Name: Number of Roots
Adjusted Name: Number of root endpoints
Source: Bogner2020, Haupt2017
Entity: Service, Endpoint
Product factor: Simplicity (Complexity)
Calculation: Number of unique roots for all endpoints of an API