Re: [Isis-wg] Proposed Liaison response on Ethernet Jumbo Frames

Alia Atlas <akatlas@gmail.com> Tue, 13 June 2017 21:26 UTC

Return-Path: <akatlas@gmail.com>
X-Original-To: isis-wg@ietfa.amsl.com
Delivered-To: isis-wg@ietfa.amsl.com
Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id C1FA5129AAD for <isis-wg@ietfa.amsl.com>; Tue, 13 Jun 2017 14:26:01 -0700 (PDT)
X-Virus-Scanned: amavisd-new at amsl.com
X-Spam-Flag: NO
X-Spam-Score: -1.998
X-Spam-Level:
X-Spam-Status: No, score=-1.998 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, RCVD_IN_DNSWL_NONE=-0.0001, SPF_PASS=-0.001, URIBL_BLOCKED=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 1XoaWAJNH2Bp for <isis-wg@ietfa.amsl.com>; Tue, 13 Jun 2017 14:25:59 -0700 (PDT)
Received: from mail-wr0-x232.google.com (mail-wr0-x232.google.com [IPv6:2a00:1450:400c:c0c::232]) (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 490EF1286D6 for <isis-wg@ietf.org>; Tue, 13 Jun 2017 14:25:59 -0700 (PDT)
Received: by mail-wr0-x232.google.com with SMTP id v104so152414048wrb.0 for <isis-wg@ietf.org>; Tue, 13 Jun 2017 14:25:59 -0700 (PDT)
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=L2LXclcXdUA3V1KgKPv5qcYqpbP0LpfBsNCjVxHuCF4=; b=hh96iNMM+APPu2BXh+gFJ+yMfnbpf7xDlKbqF43bysneVhl+aqVrpqkcfNVmxcYNk8 Od2HGPtplVXkQbtPwPjpzm1EF6uxh9tGxvWswnUEwPPVtaMyOWXmskhavHHSkl10B5Eq G4rzFNjFG8i7qquKnVqSjBlfbuo4vjHcarKErxaw3pwrR74eoXKHsUveeIqTn4nETN+u LbglDE5+7lEIx018vQWjX7//VivoVjJflKs/+8qB9qxmgZDS+ig4MlOsBVcgF3In2WXD ZsmN7fXNc77GFL/pRt8DDP1LfrzSni2578kKCwJAH5GueG9PPKYh25KQY7YiuENrydDa 5ijA==
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=L2LXclcXdUA3V1KgKPv5qcYqpbP0LpfBsNCjVxHuCF4=; b=GgdC+LayUIjZrGM8Y8BpTLpBdt0gLVfp8qpSL6fpzxB28bdSFnISiECX0UizowLXzy 9PZOp9Zs95VjAv59OfvqaCAyL1hea7EyohRavZmkNb/22Z/Q+Lg8Ubpsn7Fdk6JxqPzl /TaQ4DlbhRe2p8xAnJcxYaly5Ku/4rYXromlXE0pap7TGiX1eOhdvoiWzTdf8SSmlfes Xj9XSBDwDHGtD8d5iweADYEyluN0eH661xboucJBr1aK8lme4dlJJ8zui9+z+ZsNYYZh zr33B8doMHB5x7KTBYGvNXWBoMdiuJO8vtqoPhj/qPkpRUsPwyeEkNCGxN15/JTCqw6N QZ5g==
X-Gm-Message-State: AKS2vOxigSAjt3E3WP7dwdJ1HRtbR7zghIC8r+X8BBFgueegsWHAUQty t0nR4bbeT+bzuEFam9WlTbg48fhEppSr
X-Received: by 10.28.19.11 with SMTP id 11mr12647979wmt.123.1497389157518; Tue, 13 Jun 2017 14:25:57 -0700 (PDT)
MIME-Version: 1.0
Received: by 10.223.131.66 with HTTP; Tue, 13 Jun 2017 14:25:57 -0700 (PDT)
In-Reply-To: <CAG4d1rdVmdAarEa=twh0YWoYhLf7v5m_-Qr0QKQ9BHqUV9Ym4w@mail.gmail.com>
References: <CAG4d1rdVmdAarEa=twh0YWoYhLf7v5m_-Qr0QKQ9BHqUV9Ym4w@mail.gmail.com>
From: Alia Atlas <akatlas@gmail.com>
Date: Tue, 13 Jun 2017 17:25:57 -0400
Message-ID: <CAG4d1rePsu==fGmUMAbrV2BfJE+j87-AtM5bqmtmu_5TMo18_w@mail.gmail.com>
To: "isis-wg@ietf.org" <isis-wg@ietf.org>
Content-Type: multipart/alternative; boundary="001a1145b986d316560551de14c8"
Archived-At: <https://mailarchive.ietf.org/arch/msg/isis-wg/13QjubHicxedn_GSyXc47xQsF2k>
Subject: Re: [Isis-wg] Proposed Liaison response on Ethernet Jumbo Frames
X-BeenThere: isis-wg@ietf.org
X-Mailman-Version: 2.1.22
Precedence: list
List-Id: IETF IS-IS working group <isis-wg.ietf.org>
List-Unsubscribe: <https://www.ietf.org/mailman/options/isis-wg>, <mailto:isis-wg-request@ietf.org?subject=unsubscribe>
List-Archive: <https://mailarchive.ietf.org/arch/browse/isis-wg/>
List-Post: <mailto:isis-wg@ietf.org>
List-Help: <mailto:isis-wg-request@ietf.org?subject=help>
List-Subscribe: <https://www.ietf.org/mailman/listinfo/isis-wg>, <mailto:isis-wg-request@ietf.org?subject=subscribe>
X-List-Received-Date: Tue, 13 Jun 2017 21:26:02 -0000

I would like to send this liaison on June 15.  Please send any additional
comments.

Thanks,
Alia

On Fri, Jun 2, 2017 at 12:15 PM, Alia Atlas <akatlas@gmail.com> wrote:

> Hi,
>
> At the end of the ISIS WG meeting at IETF 98, I called attention to the
> recent liaison from IEEE -  https://datatracker.ietf.org/liaison/1509/
> <https://datatracker.ietf.org/liaison/1509/>.  There was significant
> concern expressed about the decision to use a new EtherType instead of
> EtherType 88-70, which is widely deployed.
>
> Here is a proposed liaison response, which should also update you on
> progress that has been made in this area. I would prefer to get this
> liaison, with any improvements, agreed to by June 15.
>
> =========
> Colleagues,
>
> Thank you very much for your liaison on March 25.  We are happy to learn
> that IEEE now has a standard, IEEE Std 802.1AC-2016, for encoding LLC
> frames and that its use appears to be exactly as described in
> draft-ietf-isis-ext-eth-01.  There are a large number of pre-standard
> implementations and deployments of this functionality.
>
> With informal discussion, we were able to determine the current owner of
> EtherType 88-70 and have what we believe is the necessary statement so that
> this EtherType is now available for this functionality.  I would like to
> thank both Yaakov Stein, CTO RAD, for making this happen and David Aviv,
> CTO Radware.  As these types of challenges come up and have large impact,
> we would prefer to learn of them earlier so that we can try and assist
> sooner in the process.
>
> We are quite concerned about the allocation of a new EtherType given the
> extremely large deployment of this pre-standard common feature.  We would
> encourage the IEEE 802.1 Working Group to strongly consider updating IEEE
> Std 802.1AC to use the deployed EtherType 88-70 that is now available for
> this purpose.
>
> The ISIS Working Group will discuss whether there is additional work to do
> now that IEEE Std 802.1AC-2016 is available.
>
> Warmest regards,
> Alia Atlas, IETF Routing Area Director
> Chris Hopps, ISIS Working Group Chair
> Hannes Gredler, ISIS Working Group Chair
>
> =========
>
> Please also discuss whether there is additional ISIS work to be done.  I'm
> specifically thinking about sending hello packets at the MTU.
>
> Regards,
> Alia
>
>
>