IETF Logo Mail Archive

Re: [Softwires] I-D Action: draft-ietf-softwire-lw4over6-06.txt

Ole Troan <otroan@employees.org> Wed, 05 March 2014 17:51 UTC

Return-Path: <otroan@employees.org>
X-Original-To: softwires@ietfa.amsl.com
Delivered-To: softwires@ietfa.amsl.com
Received: from localhost (ietfa.amsl.com [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id F1A141A00BB for <softwires@ietfa.amsl.com>; Wed, 5 Mar 2014 09:51:21 -0800 (PST)
X-Virus-Scanned: amavisd-new at amsl.com
X-Spam-Flag: NO
X-Spam-Score: -2.548
X-Spam-Level:
X-Spam-Status: No, score=-2.548 tagged_above=-999 required=5 tests=[BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, RP_MATCHES_RCVD=-0.547, SPF_PASS=-0.001] autolearn=ham
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 BxmYrpQMWnVx for <softwires@ietfa.amsl.com>; Wed, 5 Mar 2014 09:51:20 -0800 (PST)
Received: from banjo.employees.org (banjo.employees.org [IPv6:2001:1868:205::19]) by ietfa.amsl.com (Postfix) with ESMTP id 200B11A0072 for <softwires@ietf.org>; Wed, 5 Mar 2014 09:51:20 -0800 (PST)
Received: from banjo.employees.org (localhost [127.0.0.1]) by banjo.employees.org (Postfix) with ESMTP id 4F1636097; Wed, 5 Mar 2014 09:51:16 -0800 (PST)
DKIM-Signature: v=1; a=rsa-sha1; c=relaxed; d=employees.org; h= content-type:mime-version:subject:from:in-reply-to:date:cc :message-id:references:to; s=selector1; bh=iX9uUOcp6efUXFSSoS6K0 dvdDc4=; b=foWSZGPMq9U6nDHZzkDNJqi0ADkjclB/9BTIhE56pwCNRim+itIB+ TTw247YwLyU53gWDW99bDm1b05pZhVOm/a455Nf/zJeAyEfgaG2efx43J619f8KL yxTt9OKOQSaAxro9A7iNNFVqkB+Bob5Ka6ImMB3GwCPfj96rH0FyM0=
DomainKey-Signature: a=rsa-sha1; c=nofws; d=employees.org; h= content-type:mime-version:subject:from:in-reply-to:date:cc :message-id:references:to; q=dns; s=selector1; b=BKz8isNLfWA5ANM ekNReEKyItvSnmn8wZfertx+31R59DYkMSvWKi6l4jmxQ6lcIYWMGJyPfw8ybWyr +fovqkNEa7Gn3lmNi8YLSJVg0vFwO1b9a0r2gvbnmp+bZlj3weZtcjChvKhHPUzt YflWw+2rB8DGOWn83GKtBS0Vs82k=
Received: from dhcp-10-61-104-132.cisco.com (173-38-208-169.cisco.com [173.38.208.169]) (using TLSv1 with cipher AES128-SHA (128/128 bits)) (No client certificate requested) (Authenticated sender: otroan) by banjo.employees.org (Postfix) with ESMTPSA id B3A22608D; Wed, 5 Mar 2014 09:51:14 -0800 (PST)
Content-Type: multipart/signed; boundary="Apple-Mail=_FEC6A1DD-CC57-4631-9093-BA3368A761A7"; protocol="application/pgp-signature"; micalg="pgp-sha512"
Mime-Version: 1.0 (Mac OS X Mail 7.2 \(1874\))
From: Ole Troan <otroan@employees.org>
In-Reply-To: <F946C230-B91C-4463-823B-C3FB3B0577F2@gmx.com>
Date: Wed, 05 Mar 2014 17:51:13 +0000
Message-Id: <98DA6B17-C07E-40B8-AABE-8A4D0D5F687A@employees.org>
References: <20140211075445.17615.61208.idtracker@ietfa.amsl.com> <FD878467-904B-4441-95B4-11D4461A612E@employees.org> <CF237FDE.AACEB%ian.farrer@telekom.de> <CAFFjW4jOBfvnqCV4UH8qt0HA5zZ-35f+q5ZepzjnwGX5_Oj9Gg@mail.gmail.com> <8A1B81989BCFAE44A22B2B86BF2B76318A2CDB8ED2@HE111643.EMEA1.CDS.T-INTERNAL.COM> <CAFFjW4iP2KqNJFtJPr5rp0tzRwM5TPjaqiSP5r13JqbX46ao7w@mail.gmail.com> <CD1D4FF6-9509-43B4-AFC4-4F1AF99D0C4D@gmx.com> <CAFFjW4ibkj_xpTuXrbYjxkdxD=+qNzapCGPHJwXsZ-k0ZvGg-g@mail.gmail.com> <CF335888.AE89D%ian.farrer@telekom.de> <CAFFjW4hv5WBiqyw9jM+ZoLMGR5k49pjKXG0epnhrsOGoBBKMYA@mail.gmail.com> <78CE37BA-11FB-4AE4-9D49-A3053616A31A@gmx.com> <53173611.5070208@viagenie.ca> <4255E91E-B1F0-4FE0-9A86-171922C7BC43@gmx.com> <6BE4C1C1-17D6-44B6-A9FC-F270D29AA0B0@employees.org> <F946C230-B91C-4463-823B-C3FB3B0577F2@gmx.com>
To: Ian Farrer <ianfarrer@gmx.com>
X-Mailer: Apple Mail (2.1874)
Archived-At: http://mailarchive.ietf.org/arch/msg/softwires/0zCpLIASXdL3wZHBD6s4GNYRZ0w
Cc: Softwires-wg <softwires@ietf.org>
Subject: Re: [Softwires] I-D Action: draft-ietf-softwire-lw4over6-06.txt
X-BeenThere: softwires@ietf.org
X-Mailman-Version: 2.1.15
Precedence: list
List-Id: softwires wg discussion list <softwires.ietf.org>
List-Unsubscribe: <https://www.ietf.org/mailman/options/softwires>, <mailto:softwires-request@ietf.org?subject=unsubscribe>
List-Archive: <http://www.ietf.org/mail-archive/web/softwires/>
List-Post: <mailto:softwires@ietf.org>
List-Help: <mailto:softwires-request@ietf.org?subject=help>
List-Subscribe: <https://www.ietf.org/mailman/listinfo/softwires>, <mailto:softwires-request@ietf.org?subject=subscribe>
X-List-Received-Date: Wed, 05 Mar 2014 17:51:22 -0000

Ian,

>>> No. As long as you know what particular mechanism you B4 vendor has implemented, you can provision accordingly.
>>> 
>>> The lwAFTR never has to do the LPM. It’s just got a tunnel endpoint address configured by the operator.
>> 
>> I'm not comfortable with that.
> 
> [ian] Why aren’t you comfortable with it?

I thought that was obvious.
- it reinvents the wheel
- and it reinvents a wheel that is less round than the one already invented.

is there any reason why you cannot use the existing wheel?
or feel free to invent a better one, and we can adopt that for MAP.

cheers,
Ole


> 
>> 
>> is there any reason why you couldn't do it as MAP does?
>> 
>> - include a "Domain IPv6 prefix" in the set of provisioning parameters.
>> - the client does a longest match between the Domain IPv6 prefix and the End-user IPv6 prefixes
>> and uses that to create the tunnel end point address.
>> 
>> that also allows the operator to use either the WAN side /64 or an address out of the PD as the tunnel endpoint address.
>> 
>> cheers,
>> Ole

v2.23.0 | Report a Bug | By Email