datetime-protocol-serial.puml

@startuml

participant Client1 order 1
participant Server order 2
participant Client2 order 3

activate Server
Client1 -> Server: connect
activate Client1
activate Server

Server -> Client1: "Was willst du?"

Client2 -> Server: connect
activate Client2

Client1 -> Server: "DATE"
Server -> Client1: "23.04.2023"
deactivate Server

Server -> Client2: "Was willst du?"
activate Server
Client2 -> Server: "TIME"
Server -> Client2: "15:03"
deactivate Server

Client2 -> Client2: Antwort anzeigen
destroy Client2

Client1 -> Client1: Antwort anzeigen
destroy Client1

@enduml