Re: p1: Via and gateways

Mark Nottingham <mnot@mnot.net> Tue, 23 April 2013 06:09 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 5472121F9485 for <ietfarch-httpbisa-archive-bis2Juki@ietfa.amsl.com>; Mon, 22 Apr 2013 23:09:06 -0700 (PDT)
X-Virus-Scanned: amavisd-new at amsl.com
X-Spam-Flag: NO
X-Spam-Score: -10.502
X-Spam-Level:
X-Spam-Status: No, score=-10.502 tagged_above=-999 required=5 tests=[AWL=0.097, 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 03Gb4-z6nsNV for <ietfarch-httpbisa-archive-bis2Juki@ietfa.amsl.com>; Mon, 22 Apr 2013 23:09:05 -0700 (PDT)
Received: from frink.w3.org (frink.w3.org [128.30.52.56]) by ietfa.amsl.com (Postfix) with ESMTP id 6215921F869C for <httpbisa-archive-bis2Juki@lists.ietf.org>; Mon, 22 Apr 2013 23:09:05 -0700 (PDT)
Received: from lists by frink.w3.org with local (Exim 4.72) (envelope-from <ietf-http-wg-request@listhub.w3.org>) id 1UUWPC-0004Jc-Vm for ietf-http-wg-dist@listhub.w3.org; Tue, 23 Apr 2013 06:08:43 +0000
Resent-Date: Tue, 23 Apr 2013 06:08:42 +0000
Resent-Message-Id: <E1UUWPC-0004Jc-Vm@frink.w3.org>
Received: from maggie.w3.org ([128.30.52.39]) by frink.w3.org with esmtp (Exim 4.72) (envelope-from <mnot@mnot.net>) id 1UUWP9-0004Io-R1 for ietf-http-wg@listhub.w3.org; Tue, 23 Apr 2013 06:08:39 +0000
Received: from mxout-08.mxes.net ([216.86.168.183]) by maggie.w3.org with esmtps (TLS1.0:DHE_RSA_AES_256_CBC_SHA1:32) (Exim 4.72) (envelope-from <mnot@mnot.net>) id 1UUWP9-0005iU-66 for ietf-http-wg@w3.org; Tue, 23 Apr 2013 06:08:39 +0000
Received: from [192.168.1.80] (unknown [118.209.190.66]) (using TLSv1 with cipher AES128-SHA (128/128 bits)) (No client certificate requested) by smtp.mxes.net (Postfix) with ESMTPSA id A324C509B5 for <ietf-http-wg@w3.org>; Tue, 23 Apr 2013 02:08:17 -0400 (EDT)
Content-Type: text/plain; charset=us-ascii
Mime-Version: 1.0 (Mac OS X Mail 6.3 \(1503\))
From: Mark Nottingham <mnot@mnot.net>
In-Reply-To: <F7810D5C-45A6-4D01-83ED-2A9AB5856813@mnot.net>
Date: Tue, 23 Apr 2013 16:08:14 +1000
Content-Transfer-Encoding: quoted-printable
Message-Id: <7904FA1C-6E7D-4D51-BD38-9D2148EF1E25@mnot.net>
References: <F7810D5C-45A6-4D01-83ED-2A9AB5856813@mnot.net>
To: "ietf-http-wg@w3.org Group" <ietf-http-wg@w3.org>
X-Mailer: Apple Mail (2.1503)
Received-SPF: pass client-ip=216.86.168.183; envelope-from=mnot@mnot.net; helo=mxout-08.mxes.net
X-W3C-Hub-Spam-Status: No, score=-3.4
X-W3C-Hub-Spam-Report: AWL=-3.352, SPF_HELO_PASS=-0.001, SPF_PASS=-0.001
X-W3C-Scan-Sig: maggie.w3.org 1UUWP9-0005iU-66 984a5f36bb926edf1869da606fa34ddf
X-Original-To: ietf-http-wg@w3.org
Subject: Re: p1: Via and gateways
Archived-At: <http://www.w3.org/mid/7904FA1C-6E7D-4D51-BD38-9D2148EF1E25@mnot.net>
Resent-From: ietf-http-wg@w3.org
X-Mailing-List: <ietf-http-wg@w3.org> archive/latest/17482
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>

Now:
  http://trac.tools.ietf.org/wg/httpbis/trac/ticket/460


On 20/04/2013, at 2:07 PM, Mark Nottingham <mnot@mnot.net> wrote:

> 
> p1 Section 2.3 says:
> 
>> However, an HTTP-to-HTTP gateway that wishes to interoperate with third-party HTTP servers must conform to HTTP user agent requirements on the gateway's inbound connection and must implement the Connection (Section 6.1) and Via (Section 5.7.1) header fields for both connections.
> 
> This means that accelerators and CDNs MUST generate a Via header on the outbound connection. This isn't widely practiced, and I'm not sure it's necessary. Comments?
> 
> 
> 
> --
> Mark Nottingham   http://www.mnot.net/
> 
> 
> 
> 

--
Mark Nottingham   http://www.mnot.net/