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Re: Striving for Compromise (Consensus?)

From: Jason Greene <jason.greene@redhat.com>
Date: Fri, 11 Jul 2014 13:23:58 -0500
Cc: Greg Wilkins <gregw@intalio.com>, Jeff Pinner <jpinner@twitter.com>, HTTP Working Group <ietf-http-wg@w3.org>
Message-Id: <13797062-0DED-4858-A77F-9C4E9D9D58DA@redhat.com>
To: Martin Thomson <martin.thomson@gmail.com>

On Jul 11, 2014, at 12:47 PM, Martin Thomson <martin.thomson@gmail.com> wrote:

>> 5) Allowing interleaving of CONTINUATION frames with other frames.
>> 5b) The size of the HEADERS and CONTINUATION frames are removed from the
>> flow control window, but the they are never flow controlled.
> 
> I think that 4 and 5 might be problematic.
> 
> 4 doesn't seem to be well understood, but the interaction between TCP
> congestion window and something like the proposed 5b could mean some
> serious stalling/HOL issues.  More serious than the issues it purports
> to address.
> 
> I think that 5 is a non-starter.  Roberto's analysis on this has
> convinced me that this is an undesirable feature.

Just to clarify you mean 5b not 5, correct?

Fragmentingís justification is proxies. However proxies canít have HOL blocking occurring, so without 5 the feature is of limited value.

--
Jason T. Greene
WildFly Lead / JBoss EAP Platform Architect
JBoss, a division of Red Hat
Received on Friday, 11 July 2014 18:25:18 UTC

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