GEP: Define Gateway API Interaction with Multicluster Services

[robscott]

What would you like to be added:
We need to define via documentation how Gateway API interacts with Multicluster Services. This will likely be a docs-only change, but may also include a change to API Spec to note "ServiceImport" is supported for "extended" conformance.

Why this is needed:
There are already implementations of Multi-Cluster Gateway either released or in progress, it would be great to ensure that we're all providing a consistent experience.

[robscott]

/kind gep
/assign
/cc @srampal

[costinm]

I assume this can also cover GAMMA ( both as backend reference, but also attaching to ServiceImport in addition to Service as a frontend).

[robscott]

I assume this can also cover GAMMA

Yep, that's the goal, hoping to discuss more at the GAMMA meeting tomorrow.

Shared this doc at today's community meeting: https://docs.google.com/document/d/1akwzBKtMKkkUV8tX-O7tPcI4BPMOLZ-gmS7Iz-7AOQE/edit. Will work on a follow up GEP once we get some feedback on the doc.

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[youngnick]

/remove-lifecycle stale

@robscott, with the move of this to Memorandum status, what are your thoughts on next steps here?

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[mlavacca]

/remove-lifecycle rotten

Should we keep this one open as it has been recently moved to memorandum @robscott?

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[k8s-triage-robot]

The Kubernetes project currently lacks enough active contributors to adequately respond to all issues.

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• After 90d of inactivity, lifecycle/stale is applied
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/lifecycle rotten