[Isis-wg] New Liaison Statement, "Re: Ethertype for long LLC frames"

Liaison Statement Management Tool <lsmt@ietf.org> Mon, 19 June 2017 18:10 UTC

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From: Liaison Statement Management Tool <lsmt@ietf.org>
To: Paul Nikolich <p.nikolich@ieee.org>, Glen Parsons <glenn.parsons@ericsson.com>, John Messenger <jmessenger@advaoptical.com>
Cc: Alvaro Retana <aretana@cisco.com>, Deborah Brungard <db3546@att.com>, Christian Hopps <chopps@chopps.org>, Alia Atlas <akatlas@gmail.com>, IS-IS for IP Internets Discussion List <isis-wg@ietf.org>, Hannes Gredler <hannes@gredler.at>, Eric Gray <Eric.Gray@Ericsson.com>
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Date: Mon, 19 Jun 2017 11:10:38 -0700
Archived-At: <https://mailarchive.ietf.org/arch/msg/isis-wg/cx--8qeFVKL_opjIfQ3VFGx4DwY>
Subject: [Isis-wg] New Liaison Statement, "Re: Ethertype for long LLC frames"

Title: Re: Ethertype for long LLC frames
Submission Date: 2017-06-19
URL of the IETF Web page: https://datatracker.ietf.org/liaison/1529/

From: Russ Housley <housley@vigilsec.com>
To: Paul Nikolich <p.nikolich@ieee.org>,Glen Parsons <glenn.parsons@ericsson.com>,John Messenger <jmessenger@advaoptical.com>
Cc: Alvaro Retana <aretana@cisco.com>,Deborah Brungard <db3546@att.com>,Christian Hopps <chopps@chopps.org>,Alia Atlas <akatlas@gmail.com>,IS-IS for IP Internets Discussion List <isis-wg@ietf.org>,Hannes Gredler <hannes@gredler.at>,Eric Gray <Eric.Gray@Ericsson.com>
Response Contacts: Hannes Gredler <hannes@gredler.at>,Christian Hopps <chopps@chopps.org>
Technical Contacts: 
Purpose: In response

Referenced liaison: Ethertype for long LLC frames (https://datatracker.ietf.org/liaison/1509/)

Body: 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 and David Aviv, CTO Radware, for making this happen.  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 does not currently see that it has additional work 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
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