Re: [hybi] Payload only compression extension, again

Greg Wilkins <gregw@intalio.com> Mon, 02 May 2011 22:52 UTC

Return-Path: <gregw@intalio.com>
X-Original-To: hybi@ietfa.amsl.com
Delivered-To: hybi@ietfa.amsl.com
Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id 70762E06BD for <hybi@ietfa.amsl.com>; Mon, 2 May 2011 15:52:56 -0700 (PDT)
X-Virus-Scanned: amavisd-new at amsl.com
X-Spam-Flag: NO
X-Spam-Score: -2.924
X-Spam-Level:
X-Spam-Status: No, score=-2.924 tagged_above=-999 required=5 tests=[AWL=0.053, BAYES_00=-2.599, FM_FORGED_GMAIL=0.622, RCVD_IN_DNSWL_LOW=-1]
Received: from mail.ietf.org ([64.170.98.30]) by localhost (ietfa.amsl.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id NekUwEYoXGU4 for <hybi@ietfa.amsl.com>; Mon, 2 May 2011 15:52:56 -0700 (PDT)
Received: from mail-qw0-f44.google.com (mail-qw0-f44.google.com [209.85.216.44]) by ietfa.amsl.com (Postfix) with ESMTP id D3D55E0697 for <hybi@ietf.org>; Mon, 2 May 2011 15:52:55 -0700 (PDT)
Received: by qwc23 with SMTP id 23so3825511qwc.31 for <hybi@ietf.org>; Mon, 02 May 2011 15:52:55 -0700 (PDT)
MIME-Version: 1.0
Received: by 10.224.33.76 with SMTP id g12mr6511469qad.376.1304376774893; Mon, 02 May 2011 15:52:54 -0700 (PDT)
Received: by 10.229.73.147 with HTTP; Mon, 2 May 2011 15:52:54 -0700 (PDT)
In-Reply-To: <BANLkTikEYhsdcrK1RqQTwjy3yuSVOaw=Dw@mail.gmail.com>
References: <AANLkTik2LqCC2-ZLLdWNNaQ18ypcQU_5djJobkYtYk6T@mail.gmail.com> <AANLkTik+uh98b0n7U=xrE0Aaa7MyBfZVXSwj+8wfVTKW@mail.gmail.com> <AANLkTinCtDepu+wDt4=8GyXqhfn=SQ7v2SjJhKzP2Mzr@mail.gmail.com> <AANLkTinhw0j5U_tvfCCrcEx=J6b7wBua4XzhWkvthUjL@mail.gmail.com> <BANLkTi=SjQwGQu-3v2wjniyp9DrQ1ZcQdA@mail.gmail.com> <BANLkTi=dqFN-57GV3rYDv4feTAaZFQko1g@mail.gmail.com> <BANLkTikWFwfs0FOuET5ZS1HEzjweNO0_CA@mail.gmail.com> <BANLkTikHXtVM+7nfz60toKTJCXBuMwMC1g@mail.gmail.com> <BANLkTinsMu+Znbg7Fe7+9HZeZg=Q8SwDHg@mail.gmail.com> <4DB8D3B2.8090002@mozilla.com> <BANLkTimE9qYEvBVLGbOsU7YDVGDwHpGjgA@mail.gmail.com> <BANLkTi=L=8r7dCkRa6MTC3AGziZWeM+fpA@mail.gmail.com> <BANLkTi=-msm-ppt1n_2U5+bHoZO1i+Yj7A@mail.gmail.com> <BANLkTikEYhsdcrK1RqQTwjy3yuSVOaw=Dw@mail.gmail.com>
Date: Tue, 03 May 2011 08:52:54 +1000
Message-ID: <BANLkTimhEai77LC53NFeOhgNzFQes7HS7g@mail.gmail.com>
From: Greg Wilkins <gregw@intalio.com>
To: John Tamplin <jat@google.com>
Content-Type: text/plain; charset="ISO-8859-1"
Cc: "hybi@ietf.org" <hybi@ietf.org>, Patrick McManus <pmcmanus@mozilla.com>
Subject: Re: [hybi] Payload only compression extension, again
X-BeenThere: hybi@ietf.org
X-Mailman-Version: 2.1.12
Precedence: list
List-Id: Server-Initiated HTTP <hybi.ietf.org>
List-Unsubscribe: <https://www.ietf.org/mailman/options/hybi>, <mailto:hybi-request@ietf.org?subject=unsubscribe>
List-Archive: <http://www.ietf.org/mail-archive/web/hybi>
List-Post: <mailto:hybi@ietf.org>
List-Help: <mailto:hybi-request@ietf.org?subject=help>
List-Subscribe: <https://www.ietf.org/mailman/listinfo/hybi>, <mailto:hybi-request@ietf.org?subject=subscribe>
X-List-Received-Date: Mon, 02 May 2011 22:52:56 -0000

On 3 May 2011 08:02, John Tamplin <jat@google.com> wrote:
> My point was I see little value in having a compression extension which
> starts the compression state afresh with every frame, as on real-world
> applications this gives poor performance.

+1

My extension is more about prototyping plugable extension that work
well in a chain of extension, plus handling the negotiation and per
frame issues.    I'll follow the lead of the others/experience on the
exact algorithms to use (even though I think that is going to cause me
endless headaches with mismatched licenses and getting IP audits done
at eclipse :(

cheers