Support for IPv6 networking

[varbanv]

Description

Provide support for IPv6 based networking in Kyma clusters.

Reasons

Government customers are mandated to switch over to IPv6, some cloud providers are starting to charge a premium for IPv4 addresses, and some use cases can be better supported over IPv6. Thus we need to provide IPv6 support for compliance, cost savings, and architectural reasons.

Attachments

[anishj0shi]

IPv6 tests on GKE and Gardener: https://github.tools.sap/I322872/kyma-ipv6

on Gardener, the Poc is with ipv6 dual stack ingress only, because at the moment gardener doesn't support kubernetes overlay network in dual stack.

[github-actions]

This issue has been automatically marked as stale due to the lack of recent activity. It will soon be closed if no further activity occurs.
Thank you for your contributions.