[Feature] HTTP version negotiation on the consumer side for HTTP/3

[oxsean]

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Apache Dubbo Component

Java SDK (apache/dubbo)

Descriptions

In order to support HTTP/2 transparent upgrade to HTTP/2, we need to then client version negotiation,

approximate proposal:

The client can first create a HTTP/2 client, and then try to send a HEAD request, if the server responds Alt-Svc support for HTTP/3 HTTP/3 client will be created, the new stream request sent to the new client.

Related issues

No response

Are you willing to submit a pull request to fix on your own?

• [X] Yes I am willing to submit a pull request on my own!

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[blueuuufish]

I am interested in it,Could you assgin me please?

[wcy666103]

I am interested in it,Could you assgin me please?

Just go ahead