Re: [trill] Any comments on Coordinated Multicast Trees (CMT) for TRILL - draft-ietf-trill-cmt-00

Donald Eastlake <d3e3e3@gmail.com> Fri, 17 August 2012 18:15 UTC

Return-Path: <d3e3e3@gmail.com>
X-Original-To: trill@ietfa.amsl.com
Delivered-To: trill@ietfa.amsl.com
Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id D25FD11E80D1 for <trill@ietfa.amsl.com>; Fri, 17 Aug 2012 11:15:42 -0700 (PDT)
X-Virus-Scanned: amavisd-new at amsl.com
X-Spam-Flag: NO
X-Spam-Score: -103.525
X-Spam-Level:
X-Spam-Status: No, score=-103.525 tagged_above=-999 required=5 tests=[AWL=0.074, BAYES_00=-2.599, RCVD_IN_DNSWL_LOW=-1, USER_IN_WHITELIST=-100]
Received: from mail.ietf.org ([64.170.98.30]) by localhost (ietfa.amsl.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id Dqxo2jEFQyGb for <trill@ietfa.amsl.com>; Fri, 17 Aug 2012 11:15:42 -0700 (PDT)
Received: from mail-ob0-f172.google.com (mail-ob0-f172.google.com [209.85.214.172]) by ietfa.amsl.com (Postfix) with ESMTP id E4A7E11E809B for <trill@ietf.org>; Fri, 17 Aug 2012 11:15:41 -0700 (PDT)
Received: by obbwc20 with SMTP id wc20so6378290obb.31 for <trill@ietf.org>; Fri, 17 Aug 2012 11:15:41 -0700 (PDT)
DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=mime-version:in-reply-to:references:from:date:message-id:subject:to :cc:content-type; bh=MOF8gXTKmbstwu2/J+WN5H/y7/yrnz4o0teFIIc73JU=; b=zCyWe3IsrEfMxoAi/2/Adr04eWyx77px/Ob+CUg6s9I7JlDd4bmkaRtlyYLzgQUCyN DPX/hMwWXsXt2Wgzh50+LKKyOisBogRdHsvSIJp8mFM64Dg0fKxYpbYLh3/sxIjA0kGE y5pBMc2Ns86SxMV+9lEIgwRiJdBg5I6CIenjmPYLCgfVj0UQmHqm8k11LimEORRKlHvg wVf4htczTCTccUwYj2HYWnEZKxxvpJFKB15J9RncGEMoFw096YHR9mNtaqL+VXoMC/Ka TMboFE3Smt/qWzcc816z9QuQYX6xxm7kjPaKgvcesMnpKV2uA5XThh8RM3UOZ1Da4H1N Rq/g==
Received: by 10.182.85.8 with SMTP id d8mr4458507obz.70.1345227341471; Fri, 17 Aug 2012 11:15:41 -0700 (PDT)
MIME-Version: 1.0
Received: by 10.60.80.100 with HTTP; Fri, 17 Aug 2012 11:15:21 -0700 (PDT)
In-Reply-To: <OFC62D16F4.064B9E54-ON87257A5D.00618E3C-88257A5D.0061F7E5@us.ibm.com>
References: <502C1EA0.7050305@acm.org> <OFDF4EFC49.DE29DEDA-ON87257A5B.007ABF9C-88257A5B.007B6493@us.ibm.com> <OFC62D16F4.064B9E54-ON87257A5D.00618E3C-88257A5D.0061F7E5@us.ibm.com>
From: Donald Eastlake <d3e3e3@gmail.com>
Date: Fri, 17 Aug 2012 14:15:21 -0400
Message-ID: <CAF4+nEFT5Ddu1FJfGPQOnm2kpCCMGOCuh-xvSUrESUDF=+mBhg@mail.gmail.com>
To: Sunny Rajagopalan <sunny.rajagopalan@us.ibm.com>
Content-Type: text/plain; charset=ISO-8859-1
Cc: "trill@ietf.org" <trill@ietf.org>
Subject: Re: [trill] Any comments on Coordinated Multicast Trees (CMT) for TRILL - draft-ietf-trill-cmt-00
X-BeenThere: trill@ietf.org
X-Mailman-Version: 2.1.12
Precedence: list
List-Id: "Developing a hybrid router/bridge." <trill.ietf.org>
List-Unsubscribe: <https://www.ietf.org/mailman/options/trill>, <mailto:trill-request@ietf.org?subject=unsubscribe>
List-Archive: <http://www.ietf.org/mail-archive/web/trill>
List-Post: <mailto:trill@ietf.org>
List-Help: <mailto:trill-request@ietf.org?subject=help>
List-Subscribe: <https://www.ietf.org/mailman/listinfo/trill>, <mailto:trill-request@ietf.org?subject=subscribe>
X-List-Received-Date: Fri, 17 Aug 2012 18:15:42 -0000

Hi Sunny,

I'm not an author but I'll respond further to your earlier mail.

Thanks,
Donald
=============================
 Donald E. Eastlake 3rd   +1-508-333-2270 (cell)
 155 Beaver Street, Milford, MA 01757 USA
 d3e3e3@gmail.com


On Fri, Aug 17, 2012 at 1:50 PM, Sunny Rajagopalan
<sunny.rajagopalan@us.ibm.com> wrote:
> Are the authors of this draft planning to respond to these comments at all?
> A protocol spec that doesn't talk about what to do on link failure is
> incomplete, to say the least.
>
>
>
> From:        Sunny Rajagopalan/Santa Clara/IBM@IBMUS
> To:        Erik Nordmark <nordmark@acm.org>
> Cc:        trill-bounces@ietf.org, "trill@ietf.org" <trill@ietf.org>
> Date:        08/15/2012 03:28 PM
> Subject:        Re: [trill] Any comments on Coordinated Multicast Trees
> (CMT) for TRILL        - draft-ietf-trill-cmt-00
> Sent by:        trill-bounces@ietf.org
> ________________________________
>
>
>
> I had sent out comments on this a while back, and none of them have been
> addressed.
> To summarize the issues:
> 1) What happens when one of the CE-rbridge links fails? The draft doesn't
> talk about this scenario. I listed the possible solutions in my earlier
> email; are the authors planning to adopt one of them, or do they have
> another fix in mind?
>
> 2) The solution doesn't work if the CE switches are interconnected, but this
> is but this is not documented in the draft. What happens if they get
> interconnected accidentally? What is the process for recovery? This needs to
> be discussed in the draft.
> More details here:
> http://www.ietf.org/mail-archive/web/trill/current/msg04984.html
>
>
>
>
> From:        Erik Nordmark <nordmark@acm.org>
> To:        "trill@ietf.org" <trill@ietf.org>
> Date:        08/15/2012 03:14 PM
> Subject:        [trill] Any comments on Coordinated Multicast Trees (CMT)
> for TRILL        - draft-ietf-trill-cmt-00
> Sent by:        trill-bounces@ietf.org
> ________________________________
>
>
>
>
> We are trying to understand if this document is getting close to WG last
> call, but we don't know how many have read the document.
>
> If you have reviewed the document, please let us know.
> If not, this might be a good time to review the document and provide
> comments.
>
> Thanks,
>   Erik and Donald
> _______________________________________________
> trill mailing list
> trill@ietf.org
> https://www.ietf.org/mailman/listinfo/trill
>
> _______________________________________________
> trill mailing list
> trill@ietf.org
> https://www.ietf.org/mailman/listinfo/trill
>
>
> _______________________________________________
> trill mailing list
> trill@ietf.org
> https://www.ietf.org/mailman/listinfo/trill
>