Re: [hybi] Payload only compression extension, again

Takeshi Yoshino <tyoshino@google.com> Wed, 27 April 2011 04:54 UTC

Return-Path: <tyoshino@google.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 18D4DE0669 for <hybi@ietfa.amsl.com>; Tue, 26 Apr 2011 21:54:31 -0700 (PDT)
X-Virus-Scanned: amavisd-new at amsl.com
X-Spam-Flag: NO
X-Spam-Score: -105.976
X-Spam-Level:
X-Spam-Status: No, score=-105.976 tagged_above=-999 required=5 tests=[BAYES_00=-2.599, FM_FORGED_GMAIL=0.622, HTML_MESSAGE=0.001, RCVD_IN_DNSWL_MED=-4, USER_IN_WHITELIST=-100]
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 z-xEpeMatsmM for <hybi@ietfa.amsl.com>; Tue, 26 Apr 2011 21:54:30 -0700 (PDT)
Received: from smtp-out.google.com (smtp-out.google.com [74.125.121.67]) by ietfa.amsl.com (Postfix) with ESMTP id 37D82E0659 for <hybi@ietf.org>; Tue, 26 Apr 2011 21:54:29 -0700 (PDT)
Received: from hpaq5.eem.corp.google.com (hpaq5.eem.corp.google.com [172.25.149.5]) by smtp-out.google.com with ESMTP id p3R4sTHH017593 for <hybi@ietf.org>; Tue, 26 Apr 2011 21:54:29 -0700
DKIM-Signature: v=1; a=rsa-sha1; c=relaxed/relaxed; d=google.com; s=beta; t=1303880069; bh=O4bWR5LTNH573nfiZykbET2Zhcg=; h=MIME-Version:In-Reply-To:References:From:Date:Message-ID:Subject: To:Content-Type; b=xyHRFr2NQNUNb67BFAmdpRPoM0O5q6qlUUMPRGu+XP2EpwjQCFjPzj3/9IBUQ0I5E BK8AJoowCt7cGXuQYWX9g==
Received: from gyg8 (gyg8.prod.google.com [10.243.50.136]) by hpaq5.eem.corp.google.com with ESMTP id p3R4sQld016353 (version=TLSv1/SSLv3 cipher=RC4-SHA bits=128 verify=NOT) for <hybi@ietf.org>; Tue, 26 Apr 2011 21:54:27 -0700
Received: by gyg8 with SMTP id 8so649080gyg.24 for <hybi@ietf.org>; Tue, 26 Apr 2011 21:54:26 -0700 (PDT)
DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=beta; h=domainkey-signature:mime-version:in-reply-to:references:from:date :message-id:subject:to:content-type; bh=HNZ0x94IHchUKGtPzNiJhKkNPK4HRkQoW63Wbpxu+bg=; b=lIyFyvxc5PAhJBdj02ZLVMyuGDFyhZPtCba+YnISZX7/7CQd/822OHwjJljafqEff5 XVQuG9bGV0AwtK0FDidA==
DomainKey-Signature: a=rsa-sha1; c=nofws; d=google.com; s=beta; h=mime-version:in-reply-to:references:from:date:message-id:subject:to :content-type; b=Hf8kSOPTPyJ75U4KcxLD2XsYO3UCBo1QHfLIS+N2HCZkr+3/sCxhX0EyUDOPFkBHmE X/B/U3CipqGxBmdS1M3A==
Received: by 10.151.77.33 with SMTP id e33mr1482954ybl.0.1303880066125; Tue, 26 Apr 2011 21:54:26 -0700 (PDT)
MIME-Version: 1.0
Received: by 10.150.50.13 with HTTP; Tue, 26 Apr 2011 21:54:06 -0700 (PDT)
In-Reply-To: <AANLkTinhw0j5U_tvfCCrcEx=J6b7wBua4XzhWkvthUjL@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>
From: Takeshi Yoshino <tyoshino@google.com>
Date: Wed, 27 Apr 2011 13:54:06 +0900
Message-ID: <BANLkTi=SjQwGQu-3v2wjniyp9DrQ1ZcQdA@mail.gmail.com>
To: hybi@ietf.org
Content-Type: multipart/alternative; boundary="000e0cd630e22bd1c904a1df3c2b"
X-System-Of-Record: true
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: Wed, 27 Apr 2011 04:54:31 -0000

Hi,

As the core spec is going to include only deflate-stream (make sure the core
spec includes built-in compression, and also have some extension example),
I've put together the per-frame compression idea we've been discussing into
a separate I-D.
http://www.ietf.org/id/draft-tyoshino-hybi-websocket-perframe-deflate-00.txt

<http://www.ietf.org/id/draft-tyoshino-hybi-websocket-perframe-deflate-00.txt>
Thanks,
Takeshi


On Thu, Mar 10, 2011 at 05:36, Greg Wilkins <gregw@webtide.com> wrote:

> On 9 March 2011 23:17, Takeshi Yoshino <tyoshino@google.com> wrote:
> > Thanks for feedback.
> > On Tue, Mar 1, 2011 at 16:01, Greg Wilkins <gregw@webtide.com> wrote:
> >>
> >> On 1 March 2011 01:51, Takeshi Yoshino <tyoshino@google.com> wrote:
> >> > Hi,
> >
> >> > - Want not to mess up dictionary by compressing incompressible
> messages
> >>
> >> Is that to say that you don't want to compress fragments?
> >> I'm cautious about this as we don't want to have to buffer up all
> >> fragments before we can decompress.
> >>
> >
> > Sorry, could you elaborate your question?
> > I put this in the requirement since IIRC some people said that they want
> not
> > to get some incompressible contents (mixed with compressible contents in
> a
> > single connection) through the compressor. Like this.
> > | WS header | BTYPE=01 <compressible contents> | WS header | BTYPE=00
> > <incompressible contents> | ...
>
> thanks - that answers my question fine.
>
> cheers
>