Re: [tcpm] TCP-AO: Text for New_Key Process

Lars Eggert <lars.eggert@nokia.com> Wed, 28 January 2009 11:25 UTC

Return-Path: <tcpm-bounces@ietf.org>
X-Original-To: tcpm-archive@megatron.ietf.org
Delivered-To: ietfarch-tcpm-archive@core3.amsl.com
Received: from [127.0.0.1] (localhost [127.0.0.1]) by core3.amsl.com (Postfix) with ESMTP id BA19428C112; Wed, 28 Jan 2009 03:25:35 -0800 (PST)
X-Original-To: tcpm@core3.amsl.com
Delivered-To: tcpm@core3.amsl.com
Received: from localhost (localhost [127.0.0.1]) by core3.amsl.com (Postfix) with ESMTP id 5EE6228C112 for <tcpm@core3.amsl.com>; Wed, 28 Jan 2009 03:25:34 -0800 (PST)
X-Virus-Scanned: amavisd-new at amsl.com
X-Spam-Flag: NO
X-Spam-Score: -2.599
X-Spam-Level:
X-Spam-Status: No, score=-2.599 tagged_above=-999 required=5 tests=[AWL=-0.000, BAYES_00=-2.599]
Received: from mail.ietf.org ([64.170.98.32]) by localhost (core3.amsl.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id WciaDLEBHRFt for <tcpm@core3.amsl.com>; Wed, 28 Jan 2009 03:25:33 -0800 (PST)
Received: from mail.fit.nokia.com (unknown [IPv6:2001:2060:40:1::123]) by core3.amsl.com (Postfix) with ESMTP id 7BD0A3A68C7 for <tcpm@ietf.org>; Wed, 28 Jan 2009 03:25:33 -0800 (PST)
Received: from [10.180.41.23] ([192.100.124.156]) (authenticated bits=0) by mail.fit.nokia.com (8.14.3/8.14.3) with ESMTP id n0SBOxVg032062 (version=TLSv1/SSLv3 cipher=AES128-SHA bits=128 verify=NOT); Wed, 28 Jan 2009 13:25:00 +0200 (EET) (envelope-from lars.eggert@nokia.com)
Message-Id: <5E6CB562-0495-4D2B-924E-AB4650924151@nokia.com>
From: Lars Eggert <lars.eggert@nokia.com>
To: Joe Touch <touch@ISI.EDU>
In-Reply-To: <497F7DDC.70309@isi.edu>
Mime-Version: 1.0 (Apple Message framework v930.3)
Date: Wed, 28 Jan 2009 13:24:54 +0200
References: <7.1.0.9.2.20081219010400.02bfd3d8@gmail.com> <496d9941.18038e0a.5558.ffffd3a6@mx.google.com> <497F7DDC.70309@isi.edu>
X-Mailer: Apple Mail (2.930.3)
X-Greylist: Sender succeeded SMTP AUTH, not delayed by milter-greylist-4.0.1 (mail.fit.nokia.com [212.213.221.39]); Wed, 28 Jan 2009 13:25:00 +0200 (EET)
X-Virus-Scanned: ClamAV 0.94.2/8914/Wed Jan 28 08:40:00 2009 on fit.nokia.com
X-Virus-Status: Clean
Cc: "tcpm@ietf.org" <tcpm@ietf.org>, Allison Mankin <mankin@psg.com>, "skonduru@juniper.net" <skonduru@juniper.net>
Subject: Re: [tcpm] TCP-AO: Text for New_Key Process
X-BeenThere: tcpm@ietf.org
X-Mailman-Version: 2.1.9
Precedence: list
List-Id: TCP Maintenance and Minor Extensions Working Group <tcpm.ietf.org>
List-Unsubscribe: <https://www.ietf.org/mailman/listinfo/tcpm>, <mailto:tcpm-request@ietf.org?subject=unsubscribe>
List-Archive: <https://www.ietf.org/mailman/private/tcpm>
List-Post: <mailto:tcpm@ietf.org>
List-Help: <mailto:tcpm-request@ietf.org?subject=help>
List-Subscribe: <https://www.ietf.org/mailman/listinfo/tcpm>, <mailto:tcpm-request@ietf.org?subject=subscribe>
Content-Transfer-Encoding: 7bit
Content-Type: text/plain; charset="us-ascii"; Format="flowed"; DelSp="yes"
Sender: tcpm-bounces@ietf.org
Errors-To: tcpm-bounces@ietf.org

On 2009-1-27, at 23:34, Joe Touch wrote:
> I was under the assumption that our design space was as close to TCP  
> MD5 as
> possible, i.e., augment existing segments with a new option, but  
> neither
> generate nor consume new segments.

That's my recollection as well, and hopefully it's in the minutes of  
the WG meeting where we adopted the work item. The idea was to be as  
lightweight (in terms of changes to TCP) as possible, and changes to  
the state machine, etc. seem rather heavyweight.

Lars
_______________________________________________
tcpm mailing list
tcpm@ietf.org
https://www.ietf.org/mailman/listinfo/tcpm