IETF Logo Mail Archive

RE: Last Call: <draft-ietf-6man-rfc2460bis-08.txt> (Internet Protocol, Version 6 (IPv6) Specification) to Internet Standard

"Manfredi, Albert E" <albert.e.manfredi@boeing.com> Fri, 03 February 2017 01:45 UTC

Return-Path: <albert.e.manfredi@boeing.com>
X-Original-To: ietf@ietfa.amsl.com
Delivered-To: ietf@ietfa.amsl.com
Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id B4C6E129A84; Thu, 2 Feb 2017 17:45:06 -0800 (PST)
X-Virus-Scanned: amavisd-new at amsl.com
X-Spam-Flag: NO
X-Spam-Score: -4.221
X-Spam-Level:
X-Spam-Status: No, score=-4.221 tagged_above=-999 required=5 tests=[BAYES_00=-1.9, RCVD_IN_DNSWL_MED=-2.3, RCVD_IN_MSPIKE_H3=-0.01, RCVD_IN_MSPIKE_WL=-0.01, SPF_PASS=-0.001] autolearn=ham autolearn_force=no
Received: from mail.ietf.org ([4.31.198.44]) by localhost (ietfa.amsl.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id 8xZ75ewcTG3p; Thu, 2 Feb 2017 17:45:05 -0800 (PST)
Received: from phx-mbsout-01.mbs.boeing.net (phx-mbsout-01.mbs.boeing.net [130.76.184.178]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by ietfa.amsl.com (Postfix) with ESMTPS id C993B129A82; Thu, 2 Feb 2017 17:45:05 -0800 (PST)
Received: from localhost (localhost [127.0.0.1]) by phx-mbsout-01.mbs.boeing.net (8.14.4/8.14.4/DOWNSTREAM_MBSOUT) with SMTP id v131j5Gq024190; Thu, 2 Feb 2017 18:45:05 -0700
Received: from XCH15-06-10.nw.nos.boeing.com (xch15-06-10.nw.nos.boeing.com [137.136.239.219]) by phx-mbsout-01.mbs.boeing.net (8.14.4/8.14.4/UPSTREAM_MBSOUT) with ESMTP id v131itsT024041 (version=TLSv1/SSLv3 cipher=AES256-SHA bits=256 verify=OK); Thu, 2 Feb 2017 18:44:55 -0700
Received: from XCH15-06-11.nw.nos.boeing.com (2002:8988:efdc::8988:efdc) by XCH15-06-10.nw.nos.boeing.com (2002:8988:efdb::8988:efdb) with Microsoft SMTP Server (TLS) id 15.0.1178.4; Thu, 2 Feb 2017 17:44:54 -0800
Received: from XCH15-06-11.nw.nos.boeing.com ([137.136.239.220]) by XCH15-06-11.nw.nos.boeing.com ([137.136.239.220]) with mapi id 15.00.1178.000; Thu, 2 Feb 2017 17:44:54 -0800
From: "Manfredi, Albert E" <albert.e.manfredi@boeing.com>
To: Brian E Carpenter <brian.e.carpenter@gmail.com>, "ietf@ietf.org" <ietf@ietf.org>
Subject: RE: Last Call: <draft-ietf-6man-rfc2460bis-08.txt> (Internet Protocol, Version 6 (IPv6) Specification) to Internet Standard
Thread-Topic: Last Call: <draft-ietf-6man-rfc2460bis-08.txt> (Internet Protocol, Version 6 (IPv6) Specification) to Internet Standard
Thread-Index: AQHSfTVX3cTpaXTixEijFBMfWr8vTaFW9yqA//+KztA=
Date: Fri, 03 Feb 2017 01:44:54 +0000
Message-ID: <3bd957ff52cb4da5bdf9b842198d858d@XCH15-06-11.nw.nos.boeing.com>
References: <148599296506.18647.12389618334616420462.idtracker@ietfa.amsl.com> <30725d25-9829-bf50-23c6-9e1b757e5cba@si6networks.com> <7ee506c2-4213-9396-186a-2b742c32f93b@gmail.com>
In-Reply-To: <7ee506c2-4213-9396-186a-2b742c32f93b@gmail.com>
Accept-Language: en-US
Content-Language: en-US
X-MS-Has-Attach:
X-MS-TNEF-Correlator:
x-ms-exchange-transport-fromentityheader: Hosted
x-originating-ip: [137.136.248.6]
Content-Type: text/plain; charset="us-ascii"
Content-Transfer-Encoding: quoted-printable
MIME-Version: 1.0
X-TM-AS-MML: disable
Archived-At: <https://mailarchive.ietf.org/arch/msg/ietf/ZzPNSdhfO1znp64D6Y3uG6Eig2Y>
Cc: "draft-ietf-6man-rfc2460bis@tools.ietf.org" <draft-ietf-6man-rfc2460bis@tools.ietf.org>, "ipv6@ietf.org" <ipv6@ietf.org>, "6man-chairs@ietf.org" <6man-chairs@ietf.org>
X-BeenThere: ietf@ietf.org
X-Mailman-Version: 2.1.17
Precedence: list
List-Id: IETF-Discussion <ietf.ietf.org>
List-Unsubscribe: <https://www.ietf.org/mailman/options/ietf>, <mailto:ietf-request@ietf.org?subject=unsubscribe>
List-Archive: <https://mailarchive.ietf.org/arch/browse/ietf/>
List-Post: <mailto:ietf@ietf.org>
List-Help: <mailto:ietf-request@ietf.org?subject=help>
List-Subscribe: <https://www.ietf.org/mailman/listinfo/ietf>, <mailto:ietf-request@ietf.org?subject=subscribe>
X-List-Received-Date: Fri, 03 Feb 2017 01:45:06 -0000

> -----Original Message-----
> From: ipv6 [mailto:ipv6-bounces@ietf.org] On Behalf Of Brian E Carpenter
 
> In Section 4 ("IPv6 Extension Headers") the draft says:
> 
> >    With one exception, extension headers are not processed by any node
> >    along a packet's delivery path, until the packet reaches the node (or
> >    each of the set of nodes, in the case of multicast) identified in the
> >    Destination Address field of the IPv6 header.
> 
> (FYI, the exception is the hop-by-hop extension header.)
> 
> I do not dispute that this sentence reached WG consensus. However, I want
> to ask if it has IETF consensus. In my opinion, this sentence should read
> 
>    With one exception, extension headers are not processed, inserted,
>    deleted or modified by any node along a packet's delivery path, until
>    the packet reaches the node (or each of the set of nodes, in the case
>    of multicast) identified in the Destination Address field of the IPv6
>    header.
> 
> I believe this was always the intended meaning of the word "processed"
> from the earliest design phase of IPv6, but some people have read this
> text as allowing insertion, deletion or modification of headers. IMHO
> it needs to be clarified.

I also prefer Brian's text. Just remembering that it took a long time to reach consensus. My impression was that some people preferred to retain the ambiguity. But not me, so I vote for Brian's clarified text. One extra comma, though: "... inserted, deleted, or modified ..."

Bert

v2.23.0 | Report a Bug | By Email