Re: Node Requirements: Elevating DHCPv6 from MAY to SHOULD

Brian E Carpenter <brian.e.carpenter@gmail.com> Sun, 15 May 2011 20:55 UTC

Return-Path: <brian.e.carpenter@gmail.com>
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 87EDFE06AF for <ipv6@ietfa.amsl.com>; Sun, 15 May 2011 13:55:38 -0700 (PDT)
X-Virus-Scanned: amavisd-new at amsl.com
X-Spam-Flag: NO
X-Spam-Score: -103.599
X-Spam-Level:
X-Spam-Status: No, score=-103.599 tagged_above=-999 required=5 tests=[BAYES_00=-2.599, RCVD_IN_DNSWL_LOW=-1, USER_IN_WHITELIST=-100]
Received: from mail.ietf.org ([64.170.98.30]) by localhost (ietfa.amsl.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id 2+tkl4gsLM0g for <ipv6@ietfa.amsl.com>; Sun, 15 May 2011 13:55:38 -0700 (PDT)
Received: from mail-pv0-f172.google.com (mail-pv0-f172.google.com [74.125.83.172]) by ietfa.amsl.com (Postfix) with ESMTP id 2F7A6E069D for <ipv6@ietf.org>; Sun, 15 May 2011 13:55:38 -0700 (PDT)
Received: by pvh18 with SMTP id 18so1436967pvh.31 for <ipv6@ietf.org>; Sun, 15 May 2011 13:55:37 -0700 (PDT)
DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=gamma; h=domainkey-signature:message-id:date:from:organization:user-agent :mime-version:to:cc:subject:references:in-reply-to:content-type :content-transfer-encoding; bh=Jl3b6S9HXqOKCgatf9WhR7dKvCHm1vN5yyA2T5aheTw=; b=go82WIo8BcCVskQIEGHQJeWiXp4ZnZ59ukoQIJZC2FCPYHJEkYWYe7STANeZbFCiW8 J1u2eUJI0od4IS13RU6uVpiS7f2LNfeHhOjx2dEIHm9NGkGLQea4ZvaZ48F63lit3uMY Wbb2HNCYYRZMpIMBh6j3rX1EV/vxZvMswxiWs=
DomainKey-Signature: a=rsa-sha1; c=nofws; d=gmail.com; s=gamma; h=message-id:date:from:organization:user-agent:mime-version:to:cc :subject:references:in-reply-to:content-type :content-transfer-encoding; b=SrynagFAX6K3MU55REXXrx1V3GyH+FgTH2YazK/fndKW8P9tR91S/GLJcJjg6ICb+G nXNJPKC1+kZ5iQvagl9nlpCAGR1yxXiJFv/9JsG7edvLcW+JOsm8U3NRIAQ6/R4TZxC5 ecOPByLvVqdg9GLJWhT7aDfMxXbYMRxE8Xu6g=
Received: by 10.142.140.14 with SMTP id n14mr2254320wfd.407.1305492937833; Sun, 15 May 2011 13:55:37 -0700 (PDT)
Received: from [130.216.38.124] (stf-brian.sfac.auckland.ac.nz [130.216.38.124]) by mx.google.com with ESMTPS id n7sm4068921wfl.23.2011.05.15.13.55.35 (version=SSLv3 cipher=OTHER); Sun, 15 May 2011 13:55:36 -0700 (PDT)
Message-ID: <4DD03DBF.2030705@gmail.com>
Date: Mon, 16 May 2011 08:55:27 +1200
From: Brian E Carpenter <brian.e.carpenter@gmail.com>
Organization: University of Auckland
User-Agent: Thunderbird 2.0.0.6 (Windows/20070728)
MIME-Version: 1.0
To: "Timothy E. Enos" <timbeck04@verizon.net>
Subject: Re: Node Requirements: Elevating DHCPv6 from MAY to SHOULD
References: <201105131337.p4DDbdao009901@cichlid.raleigh.ibm.com> <96DF83B6DC524A8EA916AA027F27FA4E@bessy> <78BCA97B-E2C0-4527-A4A0-6578911800EF@gmail.com> <9E6C3AAD0522482581EBF333F6582E97@bessy>
In-Reply-To: <9E6C3AAD0522482581EBF333F6582E97@bessy>
Content-Type: text/plain; charset="UTF-8"
Content-Transfer-Encoding: 7bit
Cc: Thomas Narten <narten@us.ibm.com>, ipv6@ietf.org, Bob Hinden <bob.hinden@gmail.com>
X-BeenThere: ipv6@ietf.org
X-Mailman-Version: 2.1.12
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: <http://www.ietf.org/mail-archive/web/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: Sun, 15 May 2011 20:55:38 -0000

On 2011-05-16 07:40, Timothy E. Enos wrote:
> Hi Bob,
> 
> Thanks for your reply. I would say that partly because there are so many
> different deployment models that MAY is precisely what is informed here.
> That said, an acceptable alternative for me would be that it be SHOULD
> for both DHCPv6 and SLAAC.

I am certain that SLAAC remains a MUST. We need stand-alone networks
to configure themselves; that was a very early requirement for IPng.

   Brian