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Re: SETTINGS frame - not documented as peer-to-peer only

From: Stuart Douglas <stuart.w.douglas@gmail.com>
Date: Tue, 30 Sep 2014 08:09:18 +1000
Message-ID: <5429D88E.7000506@gmail.com>
To: Robert Collins <robertc@robertcollins.net>
CC: HTTP Working Group <ietf-http-wg@w3.org>

Robert Collins wrote:
> It also raises questions in my mind about SETTINGS_ENABLE_PUSH
> Given
> Client1
> Client2
> Proxy
> Server
> If client1 has SETTINGS_ENABLE_PUSH=1, and client2 has
> server may push resources for both clients, and the proxy will have to
> cancel streams when they are for client2 ?

This is exactly this issue that I raised last week[1], although I was 
talking about the case when you are using a HTTP2 load balancer that 
also has HTTP 1 clients, although the same issue arrises when you have 
HTTP2 clients with push disabled. I raised an issue[2] but apparently it 
is too late to do anything about it.


[1] http://lists.w3.org/Archives/Public/ietf-http-wg/2014JulSep/2374.html
[2] https://github.com/http2/http2-spec/issues/621

> That is surely doable but seems a little wasteful. I wonder if we can
> do better?
> -Rob
Received on Monday, 29 September 2014 22:09:54 UTC

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