Re: [hybi] Fwd: New Version Notification for draft-mcmanus-httpbis-h2-websockets-01.txt

Amos Jeffries <squid3@treenet.co.nz> Fri, 27 October 2017 06:59 UTC

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To: Andy Green <andy@warmcat.com>, John Fallows <john.fallows@kaazing.com>, Patrick McManus <pmcmanus@mozilla.com>
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From: Amos Jeffries <squid3@treenet.co.nz>
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Date: Fri, 27 Oct 2017 19:59:51 +1300
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Subject: Re: [hybi] Fwd: New Version Notification for draft-mcmanus-httpbis-h2-websockets-01.txt
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On 27/10/17 12:40, Andy Green wrote:>
> The spec still needs to touch on the changes it is making to h2 DATA 
> frames, it assumes it is inheriting generic bidirectional transport from 
> h2, but it isn't.  H2 DATA kills the stream if it comes outside of 
> whatever was told for content-length: on both sides, and eg h2spec 
> requires you to enforce that.  So the spec requires changes in DATA 
> handling implementation for upgraded streams and should note it.

AIUI, Content-Length remains optional in h2 as it was in 1.x. The h2 
equivalent of Transfer-Encoding:chunked is being used by wss. Just a 
stream of DATA frames in both directions terminated by the END_STREAM 
flag instead of a specific Content-Length value.

Amos