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Re: Header Table and Static Table Indicies Switched

From: Jeff Pinner <jpinner@twitter.com>
Date: Fri, 1 Aug 2014 10:37:30 -0700
Message-ID: <CA+pLO_g=KuuFMpZE+Hmqbwmc7sR3x9c=8EpRQ7tdgeSV40c0Ag@mail.gmail.com>
To: Jason Greene <jason.greene@redhat.com>
Cc: HTTP Working Group <ietf-http-wg@w3.org>
Must have missed the connection between removing the "reference set"
and switching the table order.

I am happy to show data on how it is worse, specifically encoding
header names indices is now 200% worse ;)

On Fri, Aug 1, 2014 at 10:35 AM, Jason Greene <jason.greene@redhat.com> wrote:
> This was discussed in "Call for Consensus: Remove "reference set" from HPACK (to address #552)”. Greg had a bunch of data showing static first was better.
>
> On Aug 1, 2014, at 12:20 PM, Jeff Pinner <jpinner@twitter.com> wrote:
>
>> Guessing I missed the discussion on this, but in the latest HPACK
>> draft the static table was to lower indices than the header table
>> instead of higher indices.
>>
>> This now requires an extra byte (2 instead of 1) to index almost any
>> name not in the static table.
>>
>> Opened https://github.com/http2/http2-spec/issues/578 to track.
>>
>
> --
> Jason T. Greene
> WildFly Lead / JBoss EAP Platform Architect
> JBoss, a division of Red Hat
>
Received on Friday, 1 August 2014 17:38:00 UTC

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