Re: [trill] I-D Action: draft-ietf-trill-centralized-replication-08.txt

Donald Eastlake <d3e3e3@gmail.com> Sat, 31 December 2016 04:57 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 5D6A3129410 for <trill@ietfa.amsl.com>; Fri, 30 Dec 2016 20:57:10 -0800 (PST)
X-Virus-Scanned: amavisd-new at amsl.com
X-Spam-Flag: NO
X-Spam-Score: -2.45
X-Spam-Level:
X-Spam-Status: No, score=-2.45 tagged_above=-999 required=5 tests=[BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, FREEMAIL_ENVFROM_END_DIGIT=0.25, FREEMAIL_FROM=0.001, RCVD_IN_DNSWL_LOW=-0.7, SPF_PASS=-0.001] autolearn=ham autolearn_force=no
Authentication-Results: ietfa.amsl.com (amavisd-new); dkim=pass (2048-bit key) header.d=gmail.com
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 B3lVdDUxr5ow for <trill@ietfa.amsl.com>; Fri, 30 Dec 2016 20:57:09 -0800 (PST)
Received: from mail-io0-x235.google.com (mail-io0-x235.google.com [IPv6:2607:f8b0:4001:c06::235]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by ietfa.amsl.com (Postfix) with ESMTPS id 096D11293E1 for <trill@ietf.org>; Fri, 30 Dec 2016 20:57:09 -0800 (PST)
Received: by mail-io0-x235.google.com with SMTP id h133so146315533ioe.3 for <trill@ietf.org>; Fri, 30 Dec 2016 20:57:08 -0800 (PST)
DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=mime-version:in-reply-to:references:from:date:message-id:subject:to; bh=rHMWuDdAr/gJzhv93s8+VOJHh6gIveaAGtV0GPoVYM8=; b=ttvraNfjCrvXr0b3skjkalXRnDurEtcNGFGD8l2fiVeVIHqhwAQbxmJLZT7pzeSuIJ KrRrjjz6gjTISULySxFa1JiyDE/5GbjuoqxwMzEkt9UI5KZK6VhscSEyOb8gSX9KexOD rErV6OdP5tQcO9ZOsSsJ7mqc5Yr86Ju69AA94zb4im1pOYeoVL+KjoZ9ZLG9H68qp67K PpN5USaYYLuLH3pGfscthEo2u+5CdWflvaHNkq4vaLoNB3UwtBrogyNfIJdTSSXMjjP3 ZHOgKDlSQmunhK7C7tFyTC/PqerRjX4Im/pw0T9AqkEklFeQs+/sXRzrZ//XbIDPeZ5D HrZw==
X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:in-reply-to:references:from:date :message-id:subject:to; bh=rHMWuDdAr/gJzhv93s8+VOJHh6gIveaAGtV0GPoVYM8=; b=sHV1hN4B21to7Y16OVETGIMTy4544aKMXIc12VJoR8g/KcuxHko0sH4d+vbQhWdKsB uGXiwqqmKz2aMGtqix8mm1j7pHvKoBElYdfQqNvct+jV7cY/vuXltwBek7bysVdch1nY IY0sPYr+OzMweIMo9pniZe4PhpMjzfrr+pQX55oOueCjUyWc/S41CdOZncb47ctEwp1n ytMj1D2m0RDo4AJwMhMQPy5S4l+JLaK3zfm8TYC3ioZhaYVyj6ArD0E7vjSq84mlJYbx ILTPoli/1ZNossHbiAS9Z/hsFGGPUBbAKcAuAWyBguSTWGctczKaeSDvaljhTPIXH0RA j+7w==
X-Gm-Message-State: AIkVDXLxTVb8XNwYlqy4HDcONn+Za0ugPWg4JoWJESyH0DCRqu0qxX77e6ef2mFL4WFa0arODB5enizNdBMofA==
X-Received: by 10.107.154.206 with SMTP id c197mr39082697ioe.97.1483160228016; Fri, 30 Dec 2016 20:57:08 -0800 (PST)
MIME-Version: 1.0
Received: by 10.107.41.136 with HTTP; Fri, 30 Dec 2016 20:56:52 -0800 (PST)
In-Reply-To: <148306005713.30322.10886733290339602592.idtracker@ietfa.amsl.com>
References: <148306005713.30322.10886733290339602592.idtracker@ietfa.amsl.com>
From: Donald Eastlake <d3e3e3@gmail.com>
Date: Fri, 30 Dec 2016 23:56:52 -0500
Message-ID: <CAF4+nEE81vyeQkY-PEZ54rVRc8asCLGKZaukwTP3DK=F54nApg@mail.gmail.com>
To: "trill@ietf.org" <trill@ietf.org>
Content-Type: text/plain; charset=UTF-8
Archived-At: <https://mailarchive.ietf.org/arch/msg/trill/XRHwd9FY5QE4VuBM5Z2LaZ-1UBs>
Subject: Re: [trill] I-D Action: draft-ietf-trill-centralized-replication-08.txt
X-BeenThere: trill@ietf.org
X-Mailman-Version: 2.1.17
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: <https://mailarchive.ietf.org/arch/browse/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: Sat, 31 Dec 2016 04:57:10 -0000

The only changes in this version are to fix some lines that were too
long and to adjust the author list/information.

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


On Thu, Dec 29, 2016 at 8:07 PM,  <internet-drafts@ietf.org> wrote:
>
> A New Internet-Draft is available from the on-line Internet-Drafts directories.
> This draft is a work item of the Transparent Interconnection of Lots of Links of the IETF.
>
>         Title           : Centralized Replication for Active-Active BUM Traffic
>         Authors         : Weiguo Hao
>                           Yizhou Li
>                           Muhammad Durrani
>                           Sujay Gupta
>                           Andrew Qu
>         Filename        : draft-ietf-trill-centralized-replication-08.txt
>         Pages           : 16
>         Date            : 2016-12-29
>
> Abstract:
>    In TRILL active-active access, an RPF check failure issue may occur
>    when using the pseudo-nickname mechanism specified in RFC 7781. This
>    draft describes a solution to resolve this RPF check failure issue
>    through centralized replication. All ingress RBridges send BUM
>    (Broadcast, Unknown unicast and Mutlicast) traffic to a centralized
>    node with unicast TRILL encapsulation. When the centralized node
>    receives the BUM traffic, it decapsulates the packets and forwards
>    them to their destination RBridges using a distribution tree
>    established as per TRILL base protocol RFC 6325. To avoid RPF check
>    failure on a RBridge sitting between the ingress RBridge and the
>    centralized replication node, some change in the RPF calculation
>    algorithm is required. RPF checks on each RBridge should be calculated
>    as if the centralized node was the ingress RBridge, instead of being
>    calculated using the actual ingress RBridge.
>
>
> The IETF datatracker status page for this draft is:
> https://datatracker.ietf.org/doc/draft-ietf-trill-centralized-replication/
>
> There's also a htmlized version available at:
> https://tools.ietf.org/html/draft-ietf-trill-centralized-replication-08
>
> A diff from the previous version is available at:
> https://www.ietf.org/rfcdiff?url2=draft-ietf-trill-centralized-replication-08
>
>
> Please note that it may take a couple of minutes from the time of submission
> until the htmlized version and diff are available at tools.ietf.org.
>
> Internet-Drafts are also available by anonymous FTP at:
> ftp://ftp.ietf.org/internet-drafts/