Re: Last Call: <draft-ietf-6man-rfc4291bis-07.txt> (IP Version 6 Addressing Architecture) to Internet Standard

Brian E Carpenter <brian.e.carpenter@gmail.com> Wed, 22 February 2017 20:20 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 4D5F2129AD8; Wed, 22 Feb 2017 12:20:31 -0800 (PST)
X-Virus-Scanned: amavisd-new at amsl.com
X-Spam-Flag: NO
X-Spam-Score: -2.7
X-Spam-Level:
X-Spam-Status: No, score=-2.7 tagged_above=-999 required=5 tests=[BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, FREEMAIL_FROM=0.001, RCVD_IN_DNSWL_LOW=-0.7, SPF_PASS=-0.001] autolearn=ham autolearn_force=no
Authentication-Results: ietfa.amsl.com (amavisd-new); dkim=pass (2048-bit key) header.d=gmail.com
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 P-7VTuMP9V12; Wed, 22 Feb 2017 12:20:30 -0800 (PST)
Received: from mail-pf0-x244.google.com (mail-pf0-x244.google.com [IPv6:2607:f8b0:400e:c00::244]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by ietfa.amsl.com (Postfix) with ESMTPS id 4368A129AB6; Wed, 22 Feb 2017 12:20:30 -0800 (PST)
Received: by mail-pf0-x244.google.com with SMTP id 68so205676pfx.2; Wed, 22 Feb 2017 12:20:30 -0800 (PST)
DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=subject:to:references:cc:from:organization:message-id:date :user-agent:mime-version:in-reply-to:content-transfer-encoding; bh=lCArjO2eVrxE7WpzLvSL3oKJLPblC2Hqa3J86RM6z04=; b=VS5y/p6OgSqGjW6cEGSiPP1m5VaFzm/nujebl900b7CARn/ZYbv3pyqiWdoPqQL1bl CF/YaqheThTfUbJCmGAMEePKAtCM7ePRtjNHnf8P628dFsd2Yf0HRwO1R1AxncazXO5N Q+vvxDiVGBq24yrFW9SGLtwPpt4M9YmT55PNlSEO2FC2NyNVJxl9fiy3ogqVHL3ihhbH jbOen/G2Whh3J3dCL4iNnfUwfdehsw7nnQgtGIWrcWAJ8Nw9E8E9+n/v45/uJ2+PLxah Y5tO9NfUq6oGsnIs7e3swNrxpazeV8KN3XO0DhXFkyNdyw0sp2pxynMJSYUtzKNUUhJ3 aYvg==
X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:subject:to:references:cc:from:organization :message-id:date:user-agent:mime-version:in-reply-to :content-transfer-encoding; bh=lCArjO2eVrxE7WpzLvSL3oKJLPblC2Hqa3J86RM6z04=; b=qYHNySPFV6yencdeUeVzHsKTcg2BrIyz3AmTxpgy+jwbDowuFTPB3754yLxAnv2w7w 3OUwg9enNrB6MawclwNYeaKeW4Y4w4iWPAtFYLWOgDTLINLl9szQeD0jnghH7WV/kPDU mGKYWyG3F76+FTMi2RYWPmqtfN3EStQW6/DHTfsPR77LmvXE9W4Y6m4wgOB+t99mWofu +J1LLx1IDzB+MiryNJxhyv9lwHXRgeeuh9UFhl2uE7L7ueJqpbJSFHfD5M7jDiYs2RQu BpK9tXwRbmAq7tjYSP2tQEyGzHeBgtIISa1OfhHufk0+9IQXIbINzgkoxKZ1HKLEL9TX f/Sg==
X-Gm-Message-State: AMke39kHPhO9TKNDy1XL82ZJov2i3z3hHWwWH7eTIPNEAhlHiMn/d7Gv2Wka2rr0gsElbg==
X-Received: by 10.84.241.76 with SMTP id u12mr50509127plm.107.1487794829790; Wed, 22 Feb 2017 12:20:29 -0800 (PST)
Received: from [192.168.178.21] ([118.149.111.84]) by smtp.gmail.com with ESMTPSA id 128sm5278309pfe.23.2017.02.22.12.20.26 (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Wed, 22 Feb 2017 12:20:29 -0800 (PST)
Subject: Re: Last Call: <draft-ietf-6man-rfc4291bis-07.txt> (IP Version 6 Addressing Architecture) to Internet Standard
To: Job Snijders <job@ntt.net>, Lorenzo Colitti <lorenzo@google.com>
References: <20170221001940.GB84656@Vurt.local> <068ce975-8b1e-a7c5-abba-2bfc1d904d70@gmail.com> <20170221101339.GC84656@Vurt.local> <CAKD1Yr33oQb=gMGaEM++hLgmMtxMdihiDrUihEsjs63vy8qRbA@mail.gmail.com> <54c81141-e4f5-4436-9479-9c02be6c09bb@Spark> <CAKD1Yr28iQHt0iuLvR3ndrT3Hfct=4k9dxjJeu3MAjDjOogEvA@mail.gmail.com> <CAL9jLaZgTp++PJ9KGHEWuPoVm6t3b8QfVDCEhz5h4fv-0fuUAA@mail.gmail.com> <CAKD1Yr3SbR=xt3RPu7+q1o14wKuUuwUc6oG+BgZtEK1O+m5sWw@mail.gmail.com> <4936e96b-fc82-4de0-9188-ced9547deb2f@Spark> <CAKD1Yr3K+SJb_4ksZ96yNypVKJE-fXopuVaXNhhKp1gkh1=QEg@mail.gmail.com> <20170222144147.GC89584@hanna.meerval.net>
From: Brian E Carpenter <brian.e.carpenter@gmail.com>
Organization: University of Auckland
Message-ID: <7960ff2d-359f-429c-6e82-ef592f90bf53@gmail.com>
Date: Thu, 23 Feb 2017 09:20:32 +1300
User-Agent: Mozilla/5.0 (Windows NT 6.1; WOW64; rv:45.0) Gecko/20100101 Thunderbird/45.7.1
MIME-Version: 1.0
In-Reply-To: <20170222144147.GC89584@hanna.meerval.net>
Content-Type: text/plain; charset="utf-8"
Content-Transfer-Encoding: 7bit
Archived-At: <https://mailarchive.ietf.org/arch/msg/ipv6/Ve1AUvJGNXJQ7au24RDJnCYgr7s>
Cc: draft-ietf-6man-rfc4291bis@ietf.org, 6man WG <ipv6@ietf.org>, IETF-Discussion Discussion <ietf@ietf.org>, 6man-chairs@ietf.org
X-BeenThere: ipv6@ietf.org
X-Mailman-Version: 2.1.17
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: Wed, 22 Feb 2017 20:20:31 -0000

On 23/02/2017 03:41, Job Snijders wrote:
...
> Why publish a document that conflicts with (almost) every deployed
> global IPv6 backbone? This would be a farce.

Job is correct, and I think the document editor can find one of the
various proposed formulations that avoids the farce.

Nobody is saying that /64 isn't extremely widely used where it's
appropriate to have a portable fixed length IID. Set the default
at 64 and trust operators to change it where they need to.
That's realistic.

     Brian