Re: WGLC: p1 MUST NOT pipeline until connection is persistent

Willy Tarreau <w@1wt.eu> Wed, 01 May 2013 07:41 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 9C57F21F8E4C for <ietfarch-httpbisa-archive-bis2Juki@ietfa.amsl.com>; Wed, 1 May 2013 00:41:24 -0700 (PDT)
X-Virus-Scanned: amavisd-new at amsl.com
X-Spam-Flag: NO
X-Spam-Score: -10.549
X-Spam-Level:
X-Spam-Status: No, score=-10.549 tagged_above=-999 required=5 tests=[AWL=0.050, 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 JucqSEFYnN4t for <ietfarch-httpbisa-archive-bis2Juki@ietfa.amsl.com>; Wed, 1 May 2013 00:41:18 -0700 (PDT)
Received: from frink.w3.org (frink.w3.org [128.30.52.56]) by ietfa.amsl.com (Postfix) with ESMTP id 4A8DA21F8E4B for <httpbisa-archive-bis2Juki@lists.ietf.org>; Wed, 1 May 2013 00:41:17 -0700 (PDT)
Received: from lists by frink.w3.org with local (Exim 4.72) (envelope-from <ietf-http-wg-request@listhub.w3.org>) id 1UXReq-00043C-Uz for ietf-http-wg-dist@listhub.w3.org; Wed, 01 May 2013 07:40:56 +0000
Resent-Date: Wed, 01 May 2013 07:40:56 +0000
Resent-Message-Id: <E1UXReq-00043C-Uz@frink.w3.org>
Received: from lisa.w3.org ([128.30.52.41]) by frink.w3.org with esmtp (Exim 4.72) (envelope-from <w@1wt.eu>) id 1UXRei-00040t-8d for ietf-http-wg@listhub.w3.org; Wed, 01 May 2013 07:40:48 +0000
Received: from 1wt.eu ([62.212.114.60]) by lisa.w3.org with esmtp (Exim 4.72) (envelope-from <w@1wt.eu>) id 1UXReh-0007fl-Ep for ietf-http-wg@w3.org; Wed, 01 May 2013 07:40:48 +0000
Received: (from willy@localhost) by mail.home.local (8.14.4/8.14.4/Submit) id r417eJFr029015; Wed, 1 May 2013 09:40:19 +0200
Date: Wed, 01 May 2013 09:40:19 +0200
From: Willy Tarreau <w@1wt.eu>
To: Alex Rousskov <rousskov@measurement-factory.com>
Cc: IETF HTTP WG <ietf-http-wg@w3.org>
Message-ID: <20130501074019.GL27137@1wt.eu>
References: <D69329FD-7456-46C5-BE24-6E7EE7E48C39@mnot.net> <5180137E.2040603@measurement-factory.com> <20130430194016.GM22605@1wt.eu> <5180523F.8020103@measurement-factory.com> <20130501065226.GE27137@1wt.eu> <5180C574.40609@measurement-factory.com>
Mime-Version: 1.0
Content-Type: text/plain; charset="us-ascii"
Content-Disposition: inline
In-Reply-To: <5180C574.40609@measurement-factory.com>
User-Agent: Mutt/1.4.2.3i
Received-SPF: pass client-ip=62.212.114.60; envelope-from=w@1wt.eu; helo=1wt.eu
X-W3C-Hub-Spam-Status: No, score=-5.3
X-W3C-Hub-Spam-Report: AWL=-0.806, BAYES_00=-1.9, RP_MATCHES_RCVD=-2.57, SPF_HELO_PASS=-0.001, SPF_PASS=-0.001
X-W3C-Scan-Sig: lisa.w3.org 1UXReh-0007fl-Ep c7d63051f7b69bef9b7929ec63824f7a
X-Original-To: ietf-http-wg@w3.org
Subject: Re: WGLC: p1 MUST NOT pipeline until connection is persistent
Archived-At: <http://www.w3.org/mid/20130501074019.GL27137@1wt.eu>
Resent-From: ietf-http-wg@w3.org
X-Mailing-List: <ietf-http-wg@w3.org> archive/latest/17754
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 Wed, May 01, 2013 at 01:34:12AM -0600, Alex Rousskov wrote:
> I am still not sure why we are prohibiting retry pipelining on new
> connections though. Why do we have to reuse an old connection if we want
> to retry a failed pipeline?

I don't remember, I believe it was just that if pipeline failed on a
connection, you don't want to pipeline again on the new one, otherwise
you can do that infinitely.

Willy