Re: [v6ops] I-D Action: draft-ietf-v6ops-nat64-experience-04.txt

Tim Chown <tjc@ecs.soton.ac.uk> Thu, 14 November 2013 10:14 UTC

Return-Path: <tjc@ecs.soton.ac.uk>
X-Original-To: v6ops@ietfa.amsl.com
Delivered-To: v6ops@ietfa.amsl.com
Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id C999F21E809C for <v6ops@ietfa.amsl.com>; Thu, 14 Nov 2013 02:14:43 -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=[BAYES_00=-2.599]
Received: from mail.ietf.org ([12.22.58.30]) by localhost (ietfa.amsl.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id n-5UTAxjrx1V for <v6ops@ietfa.amsl.com>; Thu, 14 Nov 2013 02:14:43 -0800 (PST)
Received: from falcon.ecs.soton.ac.uk (falcon.ecs.soton.ac.uk [IPv6:2001:630:d0:f102::25e]) by ietfa.amsl.com (Postfix) with ESMTP id DBB9321F9B25 for <v6ops@ietf.org>; Thu, 14 Nov 2013 02:14:42 -0800 (PST)
Received: from falcon.ecs.soton.ac.uk (localhost.ecs.soton.ac.uk [127.0.0.1]) by falcon.ecs.soton.ac.uk (8.13.8/8.13.8) with ESMTP id rAEAEdIH001607; Thu, 14 Nov 2013 10:14:39 GMT
X-DKIM: Sendmail DKIM Filter v2.8.2 falcon.ecs.soton.ac.uk rAEAEdIH001607
DKIM-Signature: v=1; a=rsa-sha1; c=simple/simple; d=ecs.soton.ac.uk; s=201304; t=1384424079; bh=+w+8QogHkwfW3gB80CYpFsCtW7I=; h=Mime-Version:Subject:From:In-Reply-To:Date:Cc:References:To; b=gvpc1jzSJrf4cgwEQIYNAuHGWAUOFj9De9EGx2mW2CXHCizOT/k3FCZ+m/GhCe2Ku 0FrYUSgFII7Fqg9802545T0UDhovxRVDeR3kd06Uz87w9oiuoWXpnmh681aUFHERmk GvEmQ6PxEMKbBuqaYeAdHbwy3/AxSohyuzO2laFs=
Received: from gander.ecs.soton.ac.uk ([2001:630:d0:f102:250:56ff:fea0:401]) by falcon.ecs.soton.ac.uk (falcon.ecs.soton.ac.uk [2001:630:d0:f102:250:56ff:fea0:68da]) envelope-from <tjc@ecs.soton.ac.uk> with ESMTP (valid=N/A) id pADAEd0959660495cW ret-id none; Thu, 14 Nov 2013 10:14:39 +0000
Received: from dhcp-162-43.wireless.soton.ac.uk (dhcp-162-43.wireless.soton.ac.uk [152.78.162.43]) (authenticated bits=0) by gander.ecs.soton.ac.uk (8.13.8/8.13.8) with ESMTP id rAEAEWxa032236 (version=TLSv1/SSLv3 cipher=AES128-SHA bits=128 verify=NO); Thu, 14 Nov 2013 10:14:32 GMT
Content-Type: text/plain; charset=us-ascii
Mime-Version: 1.0 (Mac OS X Mail 6.6 \(1510\))
From: Tim Chown <tjc@ecs.soton.ac.uk>
In-Reply-To: <20131114093318.GG81676@Space.Net>
Date: Thu, 14 Nov 2013 10:14:28 +0000
Content-Transfer-Encoding: quoted-printable
Message-ID: <EMEW3|c7a1b5ff805fac180f381803c6aa9abdpADAEd03tjc|ecs.soton.ac.uk|152585E9-5D19-4F2E-8ED1-32925DE69137@ecs.soton.ac.uk>
References: <6536E263028723489CCD5B6821D4B21303A137B3@UK30S005EXS06.EEAD.EEINT.CO.UK> <20131108172730.GM81676@Space.Net> <alpine.DEB.2.02.1311090926500.26054@uplift.swm.pp.se> <20131109132552.GQ81676@Space.Net> <6536E263028723489CCD5B6821D4B21303A157F2@UK30S005EXS06.EEAD.EEINT.CO.UK> <CAM+vMET6mqVQOm4GVnfkvNEGYuVSvTBVnrPOgFvj86Kmx8rnfw@mail.gmail.com> <20131111145452.GF81676@Space.Net> <52849009.80408@fud.no> <0154CE2C-C5EF-44FB-9B6D-5B2077267329@ecs.soton.ac.uk> <EMEW3|4580d6d3d7e7ef56092c0bcb14acc587pAD9Hc03tjc|ecs.soton.ac.uk|0154CE2C-C5EF-44FB-9B6D-5B2077267329@ecs.soton.ac.uk> <20131114093318.GG81676@Space.Net> <152585E9-5D19-4F2E-8ED1-32925DE69137@ecs.soton.ac.uk>
To: Gert Doering <gert@space.net>
X-Mailer: Apple Mail (2.1510)
X-ECS-MailScanner: Found to be clean, Found to be clean
X-smtpf-Report: sid=pADAEd095966049500; tid=pADAEd0959660495cW; client=relay,forged,no_ptr,ipv6; mail=; rcpt=; nrcpt=4:0; fails=0
X-ECS-MailScanner-Information: Please contact the ISP for more information
X-ECS-MailScanner-ID: rAEAEdIH001607
X-ECS-MailScanner-From: tjc@ecs.soton.ac.uk
Cc: "v6ops@ietf.org" <v6ops@ietf.org>, Tore Anderson <tore@fud.no>
Subject: Re: [v6ops] I-D Action: draft-ietf-v6ops-nat64-experience-04.txt
X-BeenThere: v6ops@ietf.org
X-Mailman-Version: 2.1.12
Precedence: list
List-Id: v6ops discussion list <v6ops.ietf.org>
List-Unsubscribe: <https://www.ietf.org/mailman/options/v6ops>, <mailto:v6ops-request@ietf.org?subject=unsubscribe>
List-Archive: <http://www.ietf.org/mail-archive/web/v6ops>
List-Post: <mailto:v6ops@ietf.org>
List-Help: <mailto:v6ops-request@ietf.org?subject=help>
List-Subscribe: <https://www.ietf.org/mailman/listinfo/v6ops>, <mailto:v6ops-request@ietf.org?subject=subscribe>
X-List-Received-Date: Thu, 14 Nov 2013 10:14:43 -0000

On 14 Nov 2013, at 09:33, Gert Doering <gert@space.net> wrote:

> Hi,
> 
> On Thu, Nov 14, 2013 at 09:17:32AM +0000, Tim Chown wrote:
>> On 14 Nov 2013, at 08:55, Tore Anderson <tore@fud.no> wrote:
>> 
>>> One could use a ULA prefix for DNS64/NAT64, which would make native IPv4
>>> be preferred according to RFC 6724.
>> 
>> A related discussion came up some time ago when we were discussing 3484-bis that became 6724:
>> http://www.ietf.org/mail-archive/web/ipv6/current/msg13709.html
>> 
>> That was about the NAT64 WKP appearing - or being added to - the 6724 policy table.  There is now a DHCPv6 option for that.
> 
> Nice approach (both).  Thanks for pointing that out.
> 
> Tim, do you know whether there is any implementation that will handle
> that, that is, accept that DHCPv6 option and add it to the 6724 policy
> table accordingly ("lower than native IPv4")?


I believe that at least both Cisco and ISC are working on implementations.

Tim