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

"Poul-Henning Kamp" <phk@phk.freebsd.dk> Tue, 14 October 2014 19:01 UTC

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To: Roberto Peon <grmocg@gmail.com>
cc: 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>
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Subject: Re: Straw Poll: Restore Header Table and Static Table Indices
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--------
In message <CAP+FsNci+YbQ9fP9LiJ1BBUSDryWOqi4A4YsKyORskY7pK0Fmg@mail.gmail.com>
, Roberto Peon writes:

>So, at worst, we're talking about adding an int instead of adding a const.

It also means that the headers typically used by high-performance
load-balancers have variable numbers, rather than fixed numbers.

That makes a BIG difference at the highest performance levels,
in particular for hardware assist.

-- 
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.

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