Re: Proposal: New Frame Size Text (was: Re: Design Issue: Frame Size Items)

Martin Thomson <martin.thomson@gmail.com> Fri, 10 May 2013 17:45 UTC

Return-Path: <ietf-http-wg-request@listhub.w3.org>
X-Original-To: ietfarch-httpbisa-archive-bis2Juki@ietfa.amsl.com
Delivered-To: ietfarch-httpbisa-archive-bis2Juki@ietfa.amsl.com
Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id CC13B21F84D1 for <ietfarch-httpbisa-archive-bis2Juki@ietfa.amsl.com>; Fri, 10 May 2013 10:45:55 -0700 (PDT)
X-Virus-Scanned: amavisd-new at amsl.com
X-Spam-Flag: NO
X-Spam-Score: -9.832
X-Spam-Level:
X-Spam-Status: No, score=-9.832 tagged_above=-999 required=5 tests=[AWL=0.767, BAYES_00=-2.599, RCVD_IN_DNSWL_HI=-8]
Received: from mail.ietf.org ([12.22.58.30]) by localhost (ietfa.amsl.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id z6a6IdLwPre5 for <ietfarch-httpbisa-archive-bis2Juki@ietfa.amsl.com>; Fri, 10 May 2013 10:45:49 -0700 (PDT)
Received: from frink.w3.org (frink.w3.org [128.30.52.56]) by ietfa.amsl.com (Postfix) with ESMTP id 87A6221F84B2 for <httpbisa-archive-bis2Juki@lists.ietf.org>; Fri, 10 May 2013 10:45:49 -0700 (PDT)
Received: from lists by frink.w3.org with local (Exim 4.72) (envelope-from <ietf-http-wg-request@listhub.w3.org>) id 1UarNp-0000cU-9A for ietf-http-wg-dist@listhub.w3.org; Fri, 10 May 2013 17:45:29 +0000
Resent-Date: Fri, 10 May 2013 17:45:29 +0000
Resent-Message-Id: <E1UarNp-0000cU-9A@frink.w3.org>
Received: from lisa.w3.org ([128.30.52.41]) by frink.w3.org with esmtp (Exim 4.72) (envelope-from <martin.thomson@gmail.com>) id 1UarNU-0007GG-Ra for ietf-http-wg@listhub.w3.org; Fri, 10 May 2013 17:45:08 +0000
Received: from mail-wg0-f51.google.com ([74.125.82.51]) by lisa.w3.org with esmtps (TLS1.0:RSA_ARCFOUR_SHA1:16) (Exim 4.72) (envelope-from <martin.thomson@gmail.com>) id 1UarNG-0002IY-Vu for ietf-http-wg@w3.org; Fri, 10 May 2013 17:45:08 +0000
Received: by mail-wg0-f51.google.com with SMTP id b13so4207701wgh.18 for <ietf-http-wg@w3.org>; Fri, 10 May 2013 10:44:28 -0700 (PDT)
DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=mime-version:x-received:in-reply-to:references:date:message-id :subject:from:to:cc:content-type; bh=37iwNEFU186/lCIZ25m+K1l2tgvk8Tq5pZFzUsjc5IE=; b=k4E3L5aSwPBRcmBipEZup5H8cQJXcqR/b2XSIhUXzv2XjpWlAWDJQPdltyOK3hD+Eb CF1+rnAbK60bF5tXHQYuA3U2cnPFqDxmKS1eVVETH79NizfLcXs7X95LzfXJV0FxySos tLnEReRWEvy1CrWCcMfnE3/2dxGlHo7PagGtORFbNQeSjtw87+aURyS33QDYMT+fZQ7v cePAHKetWJfAru0l+38Fha/FNDYvbW21AUn475DUSSPvrsFsJrNecS0Ruq7jQcJN0VWT W09xRNgG0qhtOOTFTWMl5cW2+J2IRqiniZcdOBFrrE7jByfT++79IaCuO4ftoFkyAZdU DbNg==
MIME-Version: 1.0
X-Received: by 10.180.83.199 with SMTP id s7mr5421919wiy.19.1368207868607; Fri, 10 May 2013 10:44:28 -0700 (PDT)
Received: by 10.194.33.102 with HTTP; Fri, 10 May 2013 10:44:28 -0700 (PDT)
In-Reply-To: <CAP+FsNfM3=j5HAFvDe=8x=+LeU2d9nZ5aGQ3UrX4d3M1JBg05w@mail.gmail.com>
References: <CABP7RbcfTjN5QFFuGm-P-rQMpAR3FGSC58WCy3qKn+29YCjn+w@mail.gmail.com> <CAA4WUYiwNSzvrY1LF_Sex_82TSDwMbTvYqo7LyKfBAOu0j4pfQ@mail.gmail.com> <CABP7RbdqnH0JK-UaMiaR5rLvZo8txywEcXXSUXa_y95hrLC5yA@mail.gmail.com> <CAP+FsNfM3=j5HAFvDe=8x=+LeU2d9nZ5aGQ3UrX4d3M1JBg05w@mail.gmail.com>
Date: Fri, 10 May 2013 10:44:28 -0700
Message-ID: <CABkgnnW9H3Qcvcwrx3HU+X+VDyCid3UjmXN_kpvq1XwivCuu4A@mail.gmail.com>
From: Martin Thomson <martin.thomson@gmail.com>
To: Roberto Peon <grmocg@gmail.com>
Cc: James M Snell <jasnell@gmail.com>, =?UTF-8?B?V2lsbGlhbSBDaGFuICjpmYjmmbrmmIwp?= <willchan@chromium.org>, Poul-Henning Kamp <phk@phk.freebsd.dk>, "ietf-http-wg@w3.org" <ietf-http-wg@w3.org>, Hasan Khalil <hkhalil@google.com>
Content-Type: text/plain; charset=UTF-8
Received-SPF: pass client-ip=74.125.82.51; envelope-from=martin.thomson@gmail.com; helo=mail-wg0-f51.google.com
X-W3C-Hub-Spam-Status: No, score=-3.5
X-W3C-Hub-Spam-Report: AWL=-2.665, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, FREEMAIL_FROM=0.001, RCVD_IN_DNSWL_LOW=-0.7, SPF_PASS=-0.001
X-W3C-Scan-Sig: lisa.w3.org 1UarNG-0002IY-Vu c97c415c7ffab4b5a643f87474347773
X-Original-To: ietf-http-wg@w3.org
Subject: Re: Proposal: New Frame Size Text (was: Re: Design Issue: Frame Size Items)
Archived-At: <http://www.w3.org/mid/CABkgnnW9H3Qcvcwrx3HU+X+VDyCid3UjmXN_kpvq1XwivCuu4A@mail.gmail.com>
Resent-From: ietf-http-wg@w3.org
X-Mailing-List: <ietf-http-wg@w3.org> archive/latest/17920
X-Loop: ietf-http-wg@w3.org
Resent-Sender: ietf-http-wg-request@w3.org
Precedence: list
List-Id: <ietf-http-wg.w3.org>
List-Help: <http://www.w3.org/Mail/>
List-Post: <mailto:ietf-http-wg@w3.org>
List-Unsubscribe: <mailto:ietf-http-wg-request@w3.org?subject=unsubscribe>

On 10 May 2013 10:27, Roberto Peon <grmocg@gmail.com> wrote:
> I'm strongly against including header frames in flow control.

I'll point out that this would also complicate the processing in a
sender quite a lot.  Headers are serialized on a session basis.  If
headers were subject to per-stream back pressure then it would be
necessary to delay encoding until the frame is committed to the send
buffer.