Re: New Version Notification for draft-vkrasnov-h2-compression-dictionaries-01.txt

Martin Thomson <martin.thomson@gmail.com> Thu, 03 November 2016 00:11 UTC

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From: Martin Thomson <martin.thomson@gmail.com>
Date: Thu, 3 Nov 2016 11:06:50 +1100
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To: Julian Reschke <julian.reschke@gmx.de>
Cc: Vlad Krasnov <vlad@cloudflare.com>, HTTP Working Group <ietf-http-wg@w3.org>
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Subject: Re: New Version Notification for draft-vkrasnov-h2-compression-dictionaries-01.txt
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On 3 November 2016 at 05:26, Julian Reschke <julian.reschke@gmx.de> wrote:
>> feed the dictionary into?  HTTP/2 doesn't know about compression, in
>> particular, HTTP/2 really *can't* use content-encoding.
>> ...
>
>
> What?

HTTP/2 - at the layer Vlad is talking about - only knows about the
bytes that comprise a request or response.  What Vlad proposes
requires that the HTTP/2 layer look at the Content-Encoding header
field, determine that it *ends* with a compatible value and only then
do things to feed data to the compressor.  That's a massive
architectural upheaval.