Re: Straw Poll: Restore Header Table and Static Table Indices

"Poul-Henning Kamp" <phk@phk.freebsd.dk> Wed, 15 October 2014 05:35 UTC

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To: Adrian Cole <adrian.f.cole@gmail.com>
cc: Greg Wilkins <gregw@intalio.com>, Roberto Peon <grmocg@gmail.com>, Willy Tarreau <w@1wt.eu>, Mark Nottingham <mnot@mnot.net>, HTTP Working Group <ietf-http-wg@w3.org>, Jeff Pinner <jpinner@twitter.com>
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From: Poul-Henning Kamp <phk@phk.freebsd.dk>
References: <CA+pLO_jkN67HLT7oup+FcYVY+RZ7ckhpY2gGy=TAsr2UUMnVVA@mail.gmail.com> <987FB86A-EF8B-4CD1-A9A7-52A9163E8CB3@mnot.net> <EBB30C88-7EBD-400F-9591-B646B4D3687B@mnot.net> <CAP+FsNeJU6aciA+UV3sQ318e4=fXxv9zZbsDZ1jXmYstz6XwaQ@mail.gmail.com> <E465C1C7-20DF-4F78-9936-9C914042920A@mnot.net> <20141013012326.GD13217@1wt.eu> <CAP+FsNci+YbQ9fP9LiJ1BBUSDryWOqi4A4YsKyORskY7pK0Fmg@mail.gmail.com> <CAHzwyDuAeMJe_BW0kZkLUHRn6xAN8LO_uno_ZL0TmCLgSaYbkg@mail.gmail.com> <CAH_y2NHhDTDtM4+DvWAf66GiO7of4H+ouMhxzseGODhfCSchXg@mail.gmail.com> <CAHzwyDuuN=-DyGiWAfttwq7O_zUGOE=7kVf5J=qu6i_-A9ezfg@mail.gmail.com>
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Date: Wed, 15 Oct 2014 05:32:29 +0000
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Subject: Re: Straw Poll: Restore Header Table and Static Table Indices
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--------
In message <CAHzwyDuuN=-DyGiWAfttwq7O_zUGOE=7kVf5J=qu6i_-A9ezfg@mail.gmail.com>
, Adrian Cole writes:
>> If an argument can be made that 2 byte encodings are still too large for
>> dynamic headers, then instead
>> of flipping back let's investigate how the 1 byte slots can be shared
>> between static and dynamic.
>FWIW, I'm happy to implement an alternate approach, if one comes out.
>Thanks, Greg.

Seriously...

If we are that worried about compression-ratio, we should compress
Date: and other timestamp headers to a 32 bit integer.

-- 
Poul-Henning Kamp       | UNIX since Zilog Zeus 3.20
phk@FreeBSD.ORG         | TCP/IP since RFC 956
FreeBSD committer       | BSD since 4.3-tahoe    
Never attribute to malice what can adequately be explained by incompetence.