Added a FAQ - describes ztunnel is not a SPOF.

[ayushrakesh]

Description

Added a FAQ describing why ztunnel is not a Single Point of Failure.

Resolves #15246

Reviewers

• Ambient
• Docs
• Installation
• Networking
• Performance and Scalability
• Extensions and Telemetry
• Security
• Test and Release
• User Experience
• Developer Infrastructure
• Localization/Translation

[linux-foundation-easycla]

The committers listed above are authorized under a signed CLA.

• ✅ login: ayushrakesh (eae7826, 09459ed, 2b424cf)

[istio-testing]

Hi @ayushrakesh. Thanks for your PR.

I'm waiting for a istio member to verify that this patch is reasonable to test. If it is, they should reply with /ok-to-test on its own line. Until that is done, I will not automatically test new commits in this PR, but the usual testing commands by org members will still work. Regular contributors should join the org to skip this step.

Once the patch is verified, the new status will be reflected by the ok-to-test label.

I understand the commands that are listed here.

Instructions for interacting with me using PR comments are available here. If you have questions or suggestions related to my behavior, please file an issue against the kubernetes-sigs/prow repository.

[kfaseela]

please sign the CLA

[kfaseela]

/ok-to-test

[ayushrakesh]

please sign the CLA

@kfaseela I have signed now, please check it

[kfaseela]

cc @howardjohn

[ayushrakesh]

/test lint

[istio-testing]

@ayushrakesh: The following test failed, say /retest to rerun all failed tests or /retest-required to rerun all mandatory failed tests:

Test name	Commit	Details	Required	Rerun command
lint_istio.io	09459ed	link	true	/test lint

Instructions for interacting with me using PR comments are available here. If you have questions or suggestions related to my behavior, please file an issue against the kubernetes-sigs/prow repository. I understand the commands that are listed here.