Re: Question about the normative nature of IETF RFCs

Melinda Shore <mshore@cisco.com> Thu, 29 September 2005 18:04 UTC

Received: from localhost.localdomain ([127.0.0.1] helo=megatron.ietf.org) by megatron.ietf.org with esmtp (Exim 4.32) id 1EL2lh-0001BH-TD; Thu, 29 Sep 2005 14:04:29 -0400
Received: from odin.ietf.org ([132.151.1.176] helo=ietf.org) by megatron.ietf.org with esmtp (Exim 4.32) id 1EL2lf-00019N-Ak for ietf@megatron.ietf.org; Thu, 29 Sep 2005 14:04:27 -0400
Received: from ietf-mx.ietf.org (ietf-mx [132.151.6.1]) by ietf.org (8.9.1a/8.9.1a) with ESMTP id OAA25616 for <ietf@ietf.org>; Thu, 29 Sep 2005 14:04:25 -0400 (EDT)
Received: from sj-iport-5.cisco.com ([171.68.10.87]) by ietf-mx.ietf.org with esmtp (Exim 4.43) id 1EL2tL-0000fl-8X for ietf@ietf.org; Thu, 29 Sep 2005 14:12:25 -0400
Received: from sj-core-3.cisco.com ([171.68.223.137]) by sj-iport-5.cisco.com with ESMTP; 29 Sep 2005 11:04:16 -0700
X-IronPort-AV: i="3.97,158,1125903600"; d="scan'208"; a="215845158:sNHT31052184"
Received: from xbh-rtp-211.amer.cisco.com (xbh-rtp-211.cisco.com [64.102.31.102]) by sj-core-3.cisco.com (8.12.10/8.12.6) with ESMTP id j8TI3iWB026978; Thu, 29 Sep 2005 11:04:09 -0700 (PDT)
Received: from xmb-rtp-205.amer.cisco.com ([64.102.31.59]) by xbh-rtp-211.amer.cisco.com with Microsoft SMTPSVC(6.0.3790.211); Thu, 29 Sep 2005 14:04:13 -0400
Received: from 10.21.96.44 ([10.21.96.44]) by xmb-rtp-205.amer.cisco.com ([64.102.31.59]) via Exchange Front-End Server email.cisco.com ([171.70.151.174]) with Microsoft Exchange Server HTTP-DAV ; Thu, 29 Sep 2005 18:04:13 +0000
User-Agent: Microsoft-Entourage/11.0.0.040405
Date: Thu, 29 Sep 2005 14:04:02 -0400
From: Melinda Shore <mshore@cisco.com>
To: Bill Sommerfeld <sommerfeld@sun.com>
Message-ID: <BF61A4D2.F90%mshore@cisco.com>
In-Reply-To: <1128014639.1506.25.camel@thunk>
Mime-version: 1.0
Content-type: text/plain; charset="US-ASCII"
Content-transfer-encoding: 7bit
X-OriginalArrivalTime: 29 Sep 2005 18:04:13.0788 (UTC) FILETIME=[332909C0:01C5C520]
X-Spam-Score: 0.0 (/)
X-Scan-Signature: 30ac594df0e66ffa5a93eb4c48bcb014
Content-Transfer-Encoding: 7bit
Cc: ietf@ietf.org
Subject: Re: Question about the normative nature of IETF RFCs
X-BeenThere: ietf@ietf.org
X-Mailman-Version: 2.1.5
Precedence: list
List-Id: IETF-Discussion <ietf.ietf.org>
List-Unsubscribe: <https://www1.ietf.org/mailman/listinfo/ietf>, <mailto:ietf-request@ietf.org?subject=unsubscribe>
List-Post: <mailto:ietf@ietf.org>
List-Help: <mailto:ietf-request@ietf.org?subject=help>
List-Subscribe: <https://www1.ietf.org/mailman/listinfo/ietf>, <mailto:ietf-request@ietf.org?subject=subscribe>
Sender: ietf-bounces@ietf.org
Errors-To: ietf-bounces@ietf.org

On 9/29/05 1:24 PM, "Bill Sommerfeld" <sommerfeld@sun.com> wrote:
> except that I don't believe there's a single type of middlebox ...

There certainly isn't.  RFC 3234 created a middlebox taxonomy
based on what we knew at the time, and I think it's held up
pretty well over the past three years.  People worried about
middleboxes should probably give it a read.

Melinda

_______________________________________________
Ietf mailing list
Ietf@ietf.org
https://www1.ietf.org/mailman/listinfo/ietf