Re: Should Web Services be served by a different HTTP n+1?

William Chan (陈智昌) <willchan@chromium.org> Fri, 25 January 2013 00:51 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 541F31F0CE4 for <ietfarch-httpbisa-archive-bis2Juki@ietfa.amsl.com>; Thu, 24 Jan 2013 16:51:18 -0800 (PST)
X-Virus-Scanned: amavisd-new at amsl.com
X-Spam-Flag: NO
X-Spam-Score: -9.027
X-Spam-Level:
X-Spam-Status: No, score=-9.027 tagged_above=-999 required=5 tests=[AWL=0.650, BAYES_00=-2.599, FM_FORGED_GMAIL=0.622, MIME_8BIT_HEADER=0.3, RCVD_IN_DNSWL_HI=-8]
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 Q0bt5E+WbNvf for <ietfarch-httpbisa-archive-bis2Juki@ietfa.amsl.com>; Thu, 24 Jan 2013 16:51:17 -0800 (PST)
Received: from frink.w3.org (frink.w3.org [128.30.52.56]) by ietfa.amsl.com (Postfix) with ESMTP id 8BBC01F0CB3 for <httpbisa-archive-bis2Juki@lists.ietf.org>; Thu, 24 Jan 2013 16:51:17 -0800 (PST)
Received: from lists by frink.w3.org with local (Exim 4.72) (envelope-from <ietf-http-wg-request@listhub.w3.org>) id 1TyXV1-0004IY-Fb for ietf-http-wg-dist@listhub.w3.org; Fri, 25 Jan 2013 00:50:31 +0000
Resent-Date: Fri, 25 Jan 2013 00:50:31 +0000
Resent-Message-Id: <E1TyXV1-0004IY-Fb@frink.w3.org>
Received: from lisa.w3.org ([128.30.52.41]) by frink.w3.org with esmtp (Exim 4.72) (envelope-from <willchan@google.com>) id 1TyXUv-0004Ho-9V for ietf-http-wg@listhub.w3.org; Fri, 25 Jan 2013 00:50:25 +0000
Received: from mail-qe0-f53.google.com ([209.85.128.53]) by lisa.w3.org with esmtps (TLS1.0:RSA_ARCFOUR_SHA1:16) (Exim 4.72) (envelope-from <willchan@google.com>) id 1TyXUq-0006p6-0J for ietf-http-wg@w3.org; Fri, 25 Jan 2013 00:50:25 +0000
Received: by mail-qe0-f53.google.com with SMTP id 1so1065959qee.40 for <ietf-http-wg@w3.org>; Thu, 24 Jan 2013 16:49:54 -0800 (PST)
DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=20120113; h=mime-version:x-received:sender:in-reply-to:references:date :x-google-sender-auth:message-id:subject:from:to:cc:content-type; bh=52R7D8tdv/8DeJMn5CDWIjsZp+6Y5hrXUMZf6ZGIf0c=; b=gz3xTfT6grRmMAixUx/7o1h4zTQhscCvQ11nYrMzpbUr8KLrvFpJo237rWCp2UAvNu 9oHpR/qxbX3cNoap93EeoNWy8Z2zZqdur5cN9ZlsGfXDqZEIQpQzoB801qrJ2XfQscW6 yZJbBv+R3mu77w5m6D5ZHp7W5QYqdlcvgCmI7zssYID71OL/HXr7132PzfIh7FenyFmn RWkUaIvlMha5c1XhX9YpTiLuibNZ39kAwRJV4FjgGXEdMstGpAvjjOwlm3VeI+k2KoOH lyCOy/25MBobAFjjhYCS6z0jgCHF8WpZuQQfhz+Ne2jZcVwDS/WXcQ8yRErw8fwEeaKp Xtfg==
DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=chromium.org; s=google; h=mime-version:x-received:sender:in-reply-to:references:date :x-google-sender-auth:message-id:subject:from:to:cc:content-type; bh=52R7D8tdv/8DeJMn5CDWIjsZp+6Y5hrXUMZf6ZGIf0c=; b=hxQRNO98bCWMuhkFd4AAMjhjUpbAuBD+n5OWSI2HpbcC3Q8hkuEhgQv1GCjyxfe2i/ JPB34Xb8RJVbo3OuBVOcT2N/px5mVS1DbUOAAeDNPrpgzycXCGCeSyF4fc7GehDr1nTV 4wMohCU3Atm8cmoXSWrsO8ar+Et8+bksZ0k0Y=
X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=20120113; h=mime-version:x-received:sender:in-reply-to:references:date :x-google-sender-auth:message-id:subject:from:to:cc:content-type :x-gm-message-state; bh=52R7D8tdv/8DeJMn5CDWIjsZp+6Y5hrXUMZf6ZGIf0c=; b=h8eYfCX+1mM+coQO2cKx0l5dyRFz49qHnSjzXr0hJq8VGRU3cpI5FMg/1UToikHs5t J1uC4boAuO54kqcyXjZ2i+JX6HqLNDRA2ZvsVty5dfUVCnb6ZRRd9t1wgVSHfOY6R+MN bpAZ/Q3DIRRectafBl4kjwxzMqFCmIfl8Zem6Vm9skUCGVCZxv0MGdT9UumDje+6z4xL eo7DlbzCTLgNrN4bqu5+TvNtuL8NUQm43sgwJeNOwDaO+s0+SrGwJEoBM/ZMLt/ddfGg j4/7BgzoZnwCMiSsf6WveK9r8T7MIRGA2Po4ltq3S3wVgc8uXqMsvuYP2sPItVHYHobs LKhg==
MIME-Version: 1.0
X-Received: by 10.224.180.212 with SMTP id bv20mr4051891qab.6.1359074994022; Thu, 24 Jan 2013 16:49:54 -0800 (PST)
Sender: willchan@google.com
Received: by 10.229.57.163 with HTTP; Thu, 24 Jan 2013 16:49:53 -0800 (PST)
In-Reply-To: <F1962646D3B64642B7C9A06068EE1E64177CED56@ex10.hostedexchange.local>
References: <CAMm+LwgTSw05QLUspAbAyRSWfd8j27fhwPiDSF_TaD8LevftBA@mail.gmail.com> <CAH_y2NEPLt=GkO575MfCi2aW4X+w40CzOVB05Z1+_rmLMXXSpw@mail.gmail.com> <CAMm+LwhJvSXgPzdqv2GscD-mfR4O7R_bba5JnAbdmP+uR+6SYA@mail.gmail.com> <510155E3.5020208@gmx.de> <CAMm+LwhCtd-m5uJnv+vcTTq9WcR3bEDQndV2cZqQE1ApNasCXA@mail.gmail.com> <CAA4WUYh3uP228QKjMwtTT2QQb9ypijdHPY-CkZF36j6DuTH4+A@mail.gmail.com> <CAMm+LwgqYmwomf_3XFmqkS9bLTCEAaTt=f9bFuqhTfFzjFk3AQ@mail.gmail.com> <CAA4WUYj3rDUQQ4crdyJrun=2-MwOGQ32qRfv5oJKrx=JciqOCA@mail.gmail.com> <CAK3OfOhbOnCHCp7fKeG6QLKcdoYhAXcL1nkW6220+9xb-W5Gyw@mail.gmail.com> <4613980CFC78314ABFD7F85CC302772111990734@IL-EX10.ad.checkpoint.com> <CAP+FsNfB2WPkMTtjzVeJbuQPrz_srRm8ReGnx4WQi4LGmJ2Xzw@mail.gmail.com> <4613980CFC78314ABFD7F85CC3027721119908B4@IL-EX10.ad.checkpoint.com> <CAP+FsNe5hOQ=j7VGfUhfYUAj6p8dYiDE6hATtkUwahSi-89mJA@mail.gmail.com> <CAMm+Lwja9+LMwH8jdKYJqTheGKAHmWX+bCGkVUz3ocMKnjn1HQ@mail.gmail.com> <CAP+FsNfAfdP3_0oZpozYr-+xaCpVUgS28uKXM1uG9VKOL9br8Q@mail.gmail.com> <CAP+FsNdaEAwJ1Dk=pA2-59X_eN9rg3ApdsAucVq91Keb_QXvtQ@mail.gmail.com> <F1962646D3B64642B7C9A06068EE1E64177CED56@ex10.hostedexchange.local>
Date: Thu, 24 Jan 2013 16:49:53 -0800
X-Google-Sender-Auth: c176sls-QkV1OseQj3iWiXa7fn0
Message-ID: <CAA4WUYik1Yxmpqg3wnfa09xzR8nz7KiN3eP=tzoixP9gr3-=2Q@mail.gmail.com>
From: "William Chan (陈智昌)" <willchan@chromium.org>
To: Robert Brewer <fumanchu@aminus.org>
Cc: Roberto Peon <grmocg@gmail.com>, Phillip Hallam-Baker <hallam@gmail.com>, Yoav Nir <ynir@checkpoint.com>, Nico Williams <nico@cryptonector.com>, HTTP Working Group <ietf-http-wg@w3.org>
Content-Type: text/plain; charset="ISO-8859-1"
X-Gm-Message-State: ALoCoQl1F6SpTwAAjfs8KLmBs4lBsZ5pbtnv/FVeNjtWqm/lcSuOv8WVmW6sbsXmZaaBZeACy0ZM5VJMlSph6mhE5vilvaYSrUUdKOKeenPU1C6EQUQoVu4YlQZT9CMIU1JOrBW80mSh6p7lvU+r3EgEG0NNyRdnWNBIbxnolLBEwpEYQg2x3nIh0AhukbbhAgD/FHO1vJsU
Received-SPF: pass client-ip=209.85.128.53; envelope-from=willchan@google.com; helo=mail-qe0-f53.google.com
X-W3C-Hub-Spam-Status: No, score=-3.5
X-W3C-Hub-Spam-Report: AWL=-2.650, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, RCVD_IN_DNSWL_LOW=-0.7, RP_MATCHES_RCVD=-0.001, SPF_PASS=-0.001
X-W3C-Scan-Sig: lisa.w3.org 1TyXUq-0006p6-0J 94c5d24c68cd98b3927194a56d70e8c4
X-Original-To: ietf-http-wg@w3.org
Subject: Re: Should Web Services be served by a different HTTP n+1?
Archived-At: <http://www.w3.org/mid/CAA4WUYik1Yxmpqg3wnfa09xzR8nz7KiN3eP=tzoixP9gr3-=2Q@mail.gmail.com>
Resent-From: ietf-http-wg@w3.org
X-Mailing-List: <ietf-http-wg@w3.org> archive/latest/16201
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>

http://lists.w3.org/Archives/Public/ietf-http-wg/2013JanMar/0357.html

On Thu, Jan 24, 2013 at 4:44 PM, Robert Brewer <fumanchu@aminus.org> wrote:
> Roberto Peon wrote:
>> The worst part is the high latency, especially given TCP's
>> current cogestion avoidance implementations-- the total number
>> of round-trips ends up dominating latency, regardless of how
>> much bandwidth one has.
>
> Why is this being addressed by trying to make the messages smaller? Wouldn't following the original architecture of HTTP, which was optimized for fewer, larger messages, also reduce latency?
>
>
> Robert Brewer
> fumanchu@aminus.org