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From Mario Brandt <>
Subject Re: [VOTE] backport mod_proxy_http2 to 2.4.x as experimental
Date Thu, 10 Mar 2016 15:01:33 GMT

On 9 March 2016 at 13:53, Stefan Eissing <> wrote:
> I propose to backport mod_proxy_http2 to 2.4.x as an experimental
> module with the same restrictions as mod_http2.
> Purpose:
> mod_proxy_http2 allows proxy HTTP/2 connections, using its own
> h2: and h2c: proxy schemes for the configuration. It expects
> the backend to talk HTTP/2 and will not fallback to HTTP/1.1.
> When called inside a HTTP/1.1 connection, it will open/reuse
> an existing HTTP/2 backend connection for this one request.
> When called inside a HTTP/2 connection, new requests can be
> transferred to an already ongoing backend HTTP/2 connection
> for the same master. So, in an ideal case, all concurrent streams
> inside one frontend connection are managed to the backend over
> a single connection as well.
> Status:
> The module functions in standard HTTP/2 test scenarios and seems
> stable under basic load. Performance is good for small requests
> but flow control handling is not good for large responses and
> performance degrades. Collecting feedback from early testers
> will be valuable - as was for mod_http2.

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