Re: [Softwires] draft-ietf-softwire-lw4over6 excluding Well Known Ports

Wojciech Dec <wdec.ietf@gmail.com> Mon, 02 June 2014 16:14 UTC

Return-Path: <wdec.ietf@gmail.com>
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 E9B051A038E for <softwires@ietfa.amsl.com>; Mon, 2 Jun 2014 09:14:29 -0700 (PDT)
X-Virus-Scanned: amavisd-new at amsl.com
X-Spam-Flag: NO
X-Spam-Score: -1.999
X-Spam-Level:
X-Spam-Status: No, score=-1.999 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, HTML_MESSAGE=0.001, 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 meHXunln-Z_h for <softwires@ietfa.amsl.com>; Mon, 2 Jun 2014 09:14:28 -0700 (PDT)
Received: from mail-wg0-x232.google.com (mail-wg0-x232.google.com [IPv6:2a00:1450:400c:c00::232]) (using TLSv1 with cipher ECDHE-RSA-RC4-SHA (128/128 bits)) (No client certificate requested) by ietfa.amsl.com (Postfix) with ESMTPS id B8EA01A0256 for <softwires@ietf.org>; Mon, 2 Jun 2014 09:14:27 -0700 (PDT)
Received: by mail-wg0-f50.google.com with SMTP id x12so5295947wgg.33 for <softwires@ietf.org>; Mon, 02 Jun 2014 09:14:21 -0700 (PDT)
DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=mime-version:in-reply-to:references:date:message-id:subject:from:to :cc:content-type; bh=62xVHLY30mJq9KKVtJyCsSTxBspHDzZsYcCDfEm26FM=; b=x3eF4i4SoSv5l99IIkTTmxRHZdcfcrAcoK8OWCQs8JLu8rTSyc7tenmKxwRqYenY7w dI56F1WNt6fFOF7zFMxK8AD4ET+Eu8zEfeglGJcNin8WfHLk3oO1RtkmmExTQUhVeTQO T//Yv9wPRV6tuh6XHyMFB9Rlhls5v0SChjgD94dpYgSaRh6/sxveKP5kjEGUT6Q8FRYh AB6O3ZD/55v2Y9AB4QoeXo3gE6iFVLyO+DMSwgqJ6WI+uuu26EYC+lFqZKVu1Ms8+Im9 zLdISkUiFjtjM1ICtJI7l2xvy2v3ed0LJ7OJH8pPXKta9O/gROhYYdDcgrMtJwz0ezHj RFOQ==
MIME-Version: 1.0
X-Received: by 10.194.80.7 with SMTP id n7mr51023186wjx.8.1401725660082; Mon, 02 Jun 2014 09:14:20 -0700 (PDT)
Received: by 10.194.165.71 with HTTP; Mon, 2 Jun 2014 09:14:20 -0700 (PDT)
In-Reply-To: <BBFBDEAA-0D2B-4A74-86E4-88824712EA26@gmx.com>
References: <53422B8F.2020109@ericsson.com> <37A243DD-5249-4070-AB19-6DFFCFE17AA7@gmx.com> <DC98AF70-DBF1-48AD-8699-2FC4E645FF40@cisco.com> <C3B32B71-79EE-408F-A92C-D40021DC9A5A@gmx.com> <92E51E75-2914-421F-B222-7478EC3D6A02@cisco.com> <BBFBDEAA-0D2B-4A74-86E4-88824712EA26@gmx.com>
Date: Mon, 02 Jun 2014 18:14:20 +0200
Message-ID: <CAFFjW4igsiqS5yNUECerMzpZSkmPaL28sqef1usZdxt87y1jEw@mail.gmail.com>
From: Wojciech Dec <wdec.ietf@gmail.com>
To: Ian Farrer <ianfarrer@gmx.com>
Content-Type: multipart/alternative; boundary="047d7beb9c800ac0ff04fadcb037"
Archived-At: http://mailarchive.ietf.org/arch/msg/softwires/YRE9jvjmnZ_8XMMPN8ymYWEQazU
Cc: draft-ietf-softwire-lw4over6@tools.ietf.org, Ole Troan <ot@cisco.com>, Yong Cui <cuiyong@tsinghua.edu.cn>, Softwires WG <softwires@ietf.org>
Subject: Re: [Softwires] draft-ietf-softwire-lw4over6 excluding Well Known Ports
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: Mon, 02 Jun 2014 16:14:30 -0000

Uhm, this appears to mean that the RECOMMENDED a-bits SHOULD be 6.


On 26 May 2014 13:24, Ian Farrer <ianfarrer@gmx.com> wrote:

> Hi,
>
> This one slipped my mind….
>
> From a discussion with Ole during the MAP dhcp last call, there was a
> discussion about the exclusion of provisioning WKPs to CPEs -
> http://www.ietf.org/mail-archive/web/softwires/current/msg06010.html
>
> In previous versions, the lw4o6 used to reference sun-dhc-port-set-option,
> which also stated that the WKPs should not be assigned. This advice got
> lost when changing to reference map-dhcp for PSID format.
>
> Here’s a wording change proposal to resolve this:
>
> Section 5.1
>
> Original text (last sentence, para 7):
>
> "For lw4o6, the  number of a-bits SHOULD be 0."
>
> Proposed change:
>
> "For lw4o6, the number of a-bits SHOULD be 0 to allocate a single
> contiguous port set to each lwB4.
>
> Unless a lwB4 is being allocated a full IPv4 address, it is RECOMMENDED
> that PSIDs containing the well-known ports (0-1023) are not allocated to
> lwB4s.”
>
> Please let me know if you are OK with the proposed change.
>
> cheers,
> Ian
>
> >
> >> Good spot on the WKP exclusion. Before the lw4o6 draft was updated to
> reference map-dhcp for configuration,  the port configuration was described
> in sun-dhc-port-set-option, which also stated that the WKPs should not be
> assigned. This advice got lost when changing to reference map-dhcp. I’ll
> make a suggested text update for the lw4o6 draft to fix this. Does that
> work for you?
> >
> > yes, that would be good.
> >
> > cheers,
> > Ole
> >
>
> _______________________________________________
> Softwires mailing list
> Softwires@ietf.org
> https://www.ietf.org/mailman/listinfo/softwires
>