Editor's Note: Minutes received 11/24/92

CURRENT_MEETING_REPORT_


Reported by Bob Hinden/Sun

Minutes of the IP over Asynchronous Transfer Mode Working Group (ATM)

Agenda


  o Review Latest draft of ``Multiprotocol Interconnect over ATM
    Adaptation Layer 5'' by Juha Heinanen.

  o Reach a ``rough'' consensus on one multiplexing approach.

  o Talk on Q.93B and ATM Signaling by Fong-Ching Liaw.

  o Talk on Internet/ATM Signaling Requirements by Tom Lyon.


Meeting Summary

During the first session on Monday, the Working Group finalized its
approach for transporting Internet datagrams over ATM as described in
the ``Multiprotocol Interconnect over ATM Adaptation Layer 5''
Internet-Draft written by Juha Heinanen.  The document describes two
approaches to encapsulating datagrams in ATM. These are:  VC Based
Encapsulation, and Multiplexing Encapsulation.

The current draft of the document describes two approaches to
multiplexing encapsulation.  The two approaches proposed are roughly
equivalent.  They differ in the manner used to identify the protocols
being encapsulated.  One uses NLPID (from Frame Relay) and the other
uses LLC's (from 802.x LAN).

A long discussion centered around the question of whether there should
be one or two multiplexing approaches.  The Working Group voted and by a
two to one margin that one approach was preferable.  After another long
discussion a vote was held to select one of the approaches.  The LLC
approach was the clear winner of this vote.  As a result of the these
votes the current draft document will be revised to only describe the VC
based encapsulation and the LLC multiplexing encapsulation in the main
section of the document.

The Working Group also reached a consensus to submit its proposal to the
Internet Engineering Steering Group (IESG) for entry into the Internet
Standards as a Proposed Standard.

This work is an important step in the work necessary to insure that
devices (e.g., hosts, routers, etc.)  using Internet protocols (e.g.,
TCP/IP, ISO CLNP, Appletalk, etc.)  can interoperate over ATM networks.

On Tuesday, Fong-Ching Liaw presented a talk on Q.93B and ATM signaling.

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Her talk described the current state of ATM signaling in CCITT and the
ATM Forum.  A number of issues were uncovered that relate to signaling
parameters necessary for carrying Internet traffic.  Fong-Ching Liaw and
Brian Lyles agreed to write a draft paper describing these issues and
make recommendations regarding how they can be handled.  After review by
the Working Group, this document will be published as an RFC and sent to
the CCITT and the ATM Forum.

During Wednesday's session, Tom Lyon presented a talk on Internet and
ATM Signaling Requirements.  The talk covered goals for ATM, addressing
requirements, header avoidance, connectionless service, multicast, and
routing.

Fred Sammartino, the President of the ATM Forum, attended the last day
of the Working Group and asked that an official liaison be formed
between the ATM Forum and the IETF IP over ATM Working Group.  The
purpose of this liaison is to facilitate the exchange of protocols and
ideas between the two organizations.

Attendees

George Abe               [email protected]
Roland Acra              [email protected]
Randall Atkinson         [email protected]
Floyd Backes             [email protected]
Cynthia Bagwell          [email protected]
William Barns            [email protected]
Ken Benstead             [email protected]
Shiraz Bhanji            [email protected]
Dean Blackketter         [email protected]
Fred Bohle               [email protected]
Rebecca Bostwick         [email protected]
Daniel Brennan           [email protected]
Caralyn Brown            [email protected]
Ross Callon              [email protected]
Brian Carpenter          [email protected]
Charles Carvalho         [email protected]
Brett Chappell           [email protected]
Dilip Chatwani           [email protected]
Szusin Chen              [email protected]
Chi Chong                [email protected]
Jim Christy              [email protected]
George Clapp             [email protected]
Robert Cole              [email protected]
Michael Collins          [email protected]
James Conklin            [email protected]
Michael Conn             [email protected]
Bruce Davie              [email protected]
Michael DeAddio          [email protected]
Barbara Denny            [email protected]
Art Dertke               [email protected]
Kurt Dobbins             [email protected]
Jacques Dugast           [email protected]

                                  2





Robert Enger             [email protected]
Steven Fellini           [email protected]
William Fink             [email protected]
Eric Fleischman          [email protected]
James Forster            [email protected]
Joseph Godsil            [email protected]
Mike Goguen              [email protected]
Heather Gray             [email protected]
Terry Gray               [email protected]
Paul Griffiths           [email protected]
Tony Hain                [email protected]
Joel Halpern             [email protected]
Patrick Hanel            [email protected]
Eugene Hastings          [email protected]
Ken Hayward              [email protected]
Frank Heath              [email protected]
Juha Heinanen            [email protected]
Robert Hinden            [email protected]
Jonathan Hsu             [email protected]
Kathleen Huber           [email protected]
David Husak              [email protected]
Phil Irey                [email protected]
David Jacobson           [email protected]
George Kajos             [email protected]
Charley Kline            [email protected]
Andrew Knutsen           [email protected]
Mark Laubach             [email protected]
David LeRoy              [email protected]
Fong-Ching Liaw          [email protected]
David Lin                [email protected]
Bryan Lyles              [email protected]
Andrew Malis             [email protected]
Tracy Mallory            [email protected]
Allison Mankin           [email protected]
George Marshall          [email protected]
Jun Matsukata            [email protected]
Donald Merritt           [email protected]
Kathleen Nichols         [email protected]
Erik Nordmark            [email protected]
Ari Ollikainen           [email protected]
Hilarie Orman            [email protected]
Joe Pagan                [email protected]
Craig Partridge          [email protected]
David Piscitello         [email protected]
Thomas Pusateri          [email protected]
Bala Rajagopalan         [email protected]
Greg Ratta               [email protected]
Tony Richards
Benny Rodrig             [email protected]
Manoel Rodrigues         [email protected]
Guenter Roeck            [email protected]
Timothy Salo             [email protected]
Fred Sammartino          [email protected]
Jim Scott                [email protected]

                                  3





Allyson Showalter        [email protected]
Dean Skidmore            [email protected]
Keith Sklower            [email protected]
Lansing Sloan            [email protected]
Frank Solensky           [email protected]
Marco Sosa               [email protected]
Scott Stein              [email protected]
Terrance Sullivan        [email protected]
Sally Tarquinio          [email protected]
Kaj Tesink               [email protected]
Alice Wang               [email protected]
Von Welch                [email protected]
Guy Wells                [email protected]
Gerry White              [email protected]
Peter Will               [email protected]
Douglas Williams         [email protected]
Kirk Williams            [email protected]
Liang Wu                 [email protected]
Chin Yuan                [email protected]
John Zalubski            [email protected]
Paul Zawada              [email protected]



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