Re: [16NG] Node Req: Issue 6: Support for RFC 5121: IP version 6 over WiMAX

Brian E Carpenter <brian.e.carpenter@gmail.com> Mon, 17 November 2008 22:46 UTC

Return-Path: <16ng-bounces@ietf.org>
X-Original-To: 16ng-archive@optimus.ietf.org
Delivered-To: ietfarch-16ng-archive@core3.amsl.com
Received: from [127.0.0.1] (localhost [127.0.0.1]) by core3.amsl.com (Postfix) with ESMTP id 0B78628C0D8; Mon, 17 Nov 2008 14:46:24 -0800 (PST)
X-Original-To: 16ng@core3.amsl.com
Delivered-To: 16ng@core3.amsl.com
Received: from localhost (localhost [127.0.0.1]) by core3.amsl.com (Postfix) with ESMTP id AA0603A6A1F for <16ng@core3.amsl.com>; Mon, 17 Nov 2008 12:20:23 -0800 (PST)
X-Virus-Scanned: amavisd-new at amsl.com
X-Spam-Flag: NO
X-Spam-Score: -2.115
X-Spam-Level:
X-Spam-Status: No, score=-2.115 tagged_above=-999 required=5 tests=[AWL=-0.116, BAYES_00=-2.599, J_CHICKENPOX_32=0.6]
Received: from mail.ietf.org ([64.170.98.32]) by localhost (core3.amsl.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id QBPX5zB1yFFQ for <16ng@core3.amsl.com>; Mon, 17 Nov 2008 12:20:22 -0800 (PST)
Received: from yx-out-2324.google.com (yx-out-2324.google.com [74.125.44.28]) by core3.amsl.com (Postfix) with ESMTP id AA61E3A68F6 for <16ng@ietf.org>; Mon, 17 Nov 2008 12:20:22 -0800 (PST)
Received: by yx-out-2324.google.com with SMTP id 8so1505001yxg.49 for <16ng@ietf.org>; Mon, 17 Nov 2008 12:20:21 -0800 (PST)
DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=gamma; h=domainkey-signature:received:received:message-id:date:from :organization:user-agent:mime-version:to:cc:subject:references :in-reply-to:content-type:content-transfer-encoding; bh=pAXiJD17WxdTPyjld5U9FI2sLlhk5VcsIKw9107Bjf4=; b=nVRwFXnfdTY6Vgs7LI5/STxdkSDPp6dEZBiXfE6vNWfkrXHtZszzx5vYQs7k2COrH6 xxnIF83myFTRQTRCJi25r8jzyBAG1rX5O7Kp6PkVvTE3OBhIwZOumFMIs7C3cniHs7f1 3Wz2hB1+hghxw+pPadxwuNhbYJ+iBqBgIoocg=
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=vlGWZXXUKZZCUBwlZBB3pj1qGbbxD1vE5/952cg88mOG/OGsFiVYMho43ieM5Ld2Rc uPs2ccJukbk557/7Swc18N6yev6zvCCstH3C/QB9otyLF9KTtqYiU46s0idG8OlxVeGs 7lMshGjIUDNQdPVt0XOT6/W4NPJlMYAY32BUQ=
Received: by 10.142.232.20 with SMTP id e20mr2158920wfh.2.1226953221196; Mon, 17 Nov 2008 12:20:21 -0800 (PST)
Received: from ?130.216.38.124? (stf-brian.sfac.auckland.ac.nz [130.216.38.124]) by mx.google.com with ESMTPS id 22sm2314666wfg.50.2008.11.17.12.20.19 (version=SSLv3 cipher=RC4-MD5); Mon, 17 Nov 2008 12:20:20 -0800 (PST)
Message-ID: <4921D200.3070506@gmail.com>
Date: Tue, 18 Nov 2008 09:20:16 +1300
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: Daniel Park <soohongp@gmail.com>
References: <4BACF58443A3A04688976073775ABB2961B535@daebe102.NOE.Nokia.com> <f7c7d76e0811140119k7ca6a799oeefe0d8dc8111167@mail.gmail.com> <4920E121.5090102@gmail.com> <f7c7d76e0811171203q77763329m21c79469d56f5582@mail.gmail.com>
In-Reply-To: <f7c7d76e0811171203q77763329m21c79469d56f5582@mail.gmail.com>
X-Mailman-Approved-At: Mon, 17 Nov 2008 14:46:21 -0800
Cc: john.loughney@nokia.com, ipv6@ietf.org, "16ng@ietf.org" <16ng@ietf.org>
Subject: Re: [16NG] Node Req: Issue 6: Support for RFC 5121: IP version 6 over WiMAX
X-BeenThere: 16ng@ietf.org
X-Mailman-Version: 2.1.9
Precedence: list
List-Id: 16ng working group discussion list <16ng.ietf.org>
List-Unsubscribe: <https://www.ietf.org/mailman/listinfo/16ng>, <mailto:16ng-request@ietf.org?subject=unsubscribe>
List-Archive: <http://www.ietf.org/pipermail/16ng>
List-Post: <mailto:16ng@ietf.org>
List-Help: <mailto:16ng-request@ietf.org?subject=help>
List-Subscribe: <https://www.ietf.org/mailman/listinfo/16ng>, <mailto:16ng-request@ietf.org?subject=subscribe>
Content-Type: text/plain; charset="us-ascii"
Content-Transfer-Encoding: 7bit
Sender: 16ng-bounces@ietf.org
Errors-To: 16ng-bounces@ietf.org

On 2008-11-18 09:03, Daniel Park wrote:
> Brian (ccing 16ng list)
> 
> On Mon, Nov 17, 2008 at 12:12 PM, Brian E Carpenter <
> brian.e.carpenter@gmail.com> wrote:
> 
>> Daniel,
>>
>> On 2008-11-14 22:19, Daniel Park wrote:
>>> John,
>>>
>>> I would make a minor change according to the valuable comments from the
>>> WiMAX expert:
>>>
>>> There are two ways to transfer IPv6 over WiMAX:
>>> - IPv6 over WiMAX using IPCS: RFC5121
>>> - IPv6 over Ethernet carried over WiMAX: AD Evaluation (ID Status)
>> Where does your suggested preference for the IPv6 CS come from?
>> Does 16ng have a consensus on this preference?
>>
>> Since I can't imagine anyone *not* implementing the Ethernet CS,
>> doesn't this make extra work for all implementors, compared
>> with preferring the Ethernet CS for both IP versions?
> 
> 
> We had long discussion on that before..:-) Yes, IPv6CS (RFC5121) comes from
> 16ng WG. And EthernetCS is too. Prebably, the consensus you mentioned above
> means which CS is a mandatory or optional for IPv6 implementation or
> both. Well, 16ng WG just leaves them to the business choice in WiMAX
> networks since that is beyond scope of 16ng. As of today, obviously mobile
> biz wants to implement IPv6CS only, and wired biz (looks like DSL) wants to
> implemt EthernetCS. But, no one knows what happens tomorrow in WiMAX
> networks.

Then it seems to me there is no useful statement to be made
in the node requirements document. If 16ng has no recommendation,
I don't see how 6man can decide.

Thanks

   Brian
_______________________________________________
16NG mailing list
16NG@ietf.org
https://www.ietf.org/mailman/listinfo/16ng