Enhancement of HTTP2 Stream Window Size setup in Linkerd2 using annotations.

[vitorhrduarte]

Hello Linkerd2 maintainers and community,
I am writing to propose a new feature related to HTTP2 Stream Window Size, which I believe could enhance the functionality and user experience of Linkerd2.

While using Linkerd2, I noticed that HTTP2 Stream Window Size could benefit further development. I would like to set-up the following settings (see below) using annotations in the same way we can set other options. More details here

LINKERD2_PROXY_HTTP2_INITIAL_STREAM_WINDOW_SIZE
LINKERD2_PROXY_HTTP2_INITIAL_CONNECTION_WINDOW_SIZE

As far as I could understand, currently, it is not possible to set/define them except by doing a manual injection but this is quite an unpractical solution for us.

Some related links:
Forum Post
Github - Linkerd2 Proxy

I understand that implementing new features requires careful consideration, planning, and resources. It would be great if the team could consider this proposal and provide their thoughts on the feasibility of such an implementation.
I am more than willing to provide further details or clarification on this proposal if needed.

Thank you for taking the time to consider this proposal. I look forward to hearing your thoughts and engaging in further discussion on this topic.