[proposal] add proposal of multiplexing cloud-edge traffic

[rambohe-ch]

What type of PR is this?

Uncomment only one /kind <> line, hit enter to put that in a new line, and remove leading whitespace from that line:
/kind bug
/kind documentation
/kind enhancement
/kind good-first-issue
/kind feature
/kind question
/kind design
/sig ai
/sig iot
/sig network
/sig storage
/sig storage

/kind design

What this PR does / why we need it:

Add a proposal to multiplexing cloud-edge traffic in order to reduce public network costs.

Which issue(s) this PR fixes:

Fixes #

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Does this PR introduce a user-facing change?

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In response to this:

What type of PR is this?

Uncomment only one /kind <> line, hit enter to put that in a new line, and remove leading whitespace from that line:
/kind bug
/kind documentation
/kind enhancement
/kind good-first-issue
/kind feature
/kind question
/kind design
/sig ai
/sig iot
/sig network
/sig storage
/sig storage

/kind design

What this PR does / why we need it:

Add a proposal to multiplexing cloud-edge traffic in order to reduce public network costs.

Which issue(s) this PR fixes:

Fixes #

Special notes for your reviewer:

Does this PR introduce a user-facing change?

other Note

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/test-infra repository.

[rambohe-ch]

/assign @Fei-Guo @gnunu @Congrool @donychen1134

[openyurt-bot]

@rambohe-ch: GitHub didn't allow me to assign the following users: donychen1134.

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In response to this:

/assign @Fei-Guo @gnunu @Congrool @donychen1134

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[Congrool]

/lgtm

[openyurt-bot]

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: Congrool, rambohe-ch

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[Congrool]

We'd better to add this feature to Roadmap v0.8.0.

[rambohe-ch]

We'd better to add this feature to Roadmap v0.8.0.

@Congrool agree +1, and i will create issues to follow this proposal.