Re: About AH (was Re: [Errata Held for Document Update] RFC8200 (5933))

Nick Hilliard <nick@foobar.org> Tue, 03 March 2020 21:17 UTC

Return-Path: <nick@foobar.org>
X-Original-To: ipv6@ietfa.amsl.com
Delivered-To: ipv6@ietfa.amsl.com
Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id 4B3953A0A00 for <ipv6@ietfa.amsl.com>; Tue, 3 Mar 2020 13:17:44 -0800 (PST)
X-Virus-Scanned: amavisd-new at amsl.com
X-Spam-Flag: NO
X-Spam-Score: -1.9
X-Spam-Level:
X-Spam-Status: No, score=-1.9 tagged_above=-999 required=5 tests=[BAYES_00=-1.9, SPF_HELO_NONE=0.001, 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 kaJd3sPhKTIX for <ipv6@ietfa.amsl.com>; Tue, 3 Mar 2020 13:17:42 -0800 (PST)
Received: from mail.netability.ie (mail.netability.ie [IPv6:2a03:8900:0:100::5]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-SHA (256/256 bits)) (No client certificate requested) by ietfa.amsl.com (Postfix) with ESMTPS id 898BA3A0A11 for <ipv6@ietf.org>; Tue, 3 Mar 2020 13:17:42 -0800 (PST)
X-Envelope-To: ipv6@ietf.org
Received: from crumpet.local (admin.ibn.ie [46.182.8.8]) (authenticated bits=0) by mail.netability.ie (8.15.2/8.15.2) with ESMTPSA id 023LHawX027223 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-SHA bits=256 verify=NO); Tue, 3 Mar 2020 21:17:37 GMT (envelope-from nick@foobar.org)
X-Authentication-Warning: cheesecake.ibn.ie: Host admin.ibn.ie [46.182.8.8] claimed to be crumpet.local
Subject: Re: About AH (was Re: [Errata Held for Document Update] RFC8200 (5933))
To: Brian E Carpenter <brian.e.carpenter@gmail.com>
Cc: Michael Richardson <mcr+ietf@sandelman.ca>, "ipv6@ietf.org" <ipv6@ietf.org>, "Eric Vyncke (evyncke)" <evyncke=40cisco.com@dmarc.ietf.org>, "suresh.krishnan@gmail.com" <suresh.krishnan@gmail.com>
References: <FE156CF2-3C58-43A3-A858-E25FE38C322B@cisco.com> <12656.1583267228@localhost> <deffa1ba-3ee6-892d-4ab0-dfa888738867@gmail.com>
From: Nick Hilliard <nick@foobar.org>
Message-ID: <c1a85219-9fa5-e3bf-7106-4cc8bc4ebd89@foobar.org>
Date: Tue, 03 Mar 2020 21:17:34 +0000
User-Agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10.15; rv:52.0) Gecko/20100101 PostboxApp/7.0.12
MIME-Version: 1.0
In-Reply-To: <deffa1ba-3ee6-892d-4ab0-dfa888738867@gmail.com>
Content-Type: text/plain; charset="utf-8"; format="flowed"
Content-Language: en-US
Content-Transfer-Encoding: 7bit
Archived-At: <https://mailarchive.ietf.org/arch/msg/ipv6/h6x7VxxJbLOA2Q3nWg8CRrugdcA>
X-BeenThere: ipv6@ietf.org
X-Mailman-Version: 2.1.29
Precedence: list
List-Id: "IPv6 Maintenance Working Group \(6man\)" <ipv6.ietf.org>
List-Unsubscribe: <https://www.ietf.org/mailman/options/ipv6>, <mailto:ipv6-request@ietf.org?subject=unsubscribe>
List-Archive: <https://mailarchive.ietf.org/arch/browse/ipv6/>
List-Post: <mailto:ipv6@ietf.org>
List-Help: <mailto:ipv6-request@ietf.org?subject=help>
List-Subscribe: <https://www.ietf.org/mailman/listinfo/ipv6>, <mailto:ipv6-request@ietf.org?subject=subscribe>
X-List-Received-Date: Tue, 03 Mar 2020 21:17:51 -0000

Brian E Carpenter wrote on 03/03/2020 21:13:
> Exactly. Why it isn't Historic is a mystery to me, but out of scope for these WGs.

it's been suggested several times on ipsec@, but the idea lacked 
consensus to move forward - the general take was that header integrity 
is still occasionally important. As an observation, SRv6 may be one of 
those situations.

Nick