Editor's Note: Minutes received 8/12 CURRENT_MEETING_REPORT_ Reported by Bob Hinden/Sun Minutes of the IP over Asynchronous Transfer Mode Working Group (ATM) Agenda o Review Agenda. o Discussion of ``Multiprotocol Interconnect over ATM'' Internet Draft. o Status of other ATM Groups. o MAC Layer Proposal by John Burnett. o Presentation on ``Network Layer Architecture for ATM Networks'' by Fong Liaw, Sun. The first half of the meeting was spent discussing the ``Multiprotocol Interconnect over ATM'' Internet Draft written by Juha Heinanen. The document describes three approaches to encapsulating datagrams in ATM. These can be divided into two classes: VC Based Encapsulation, and Multiplexing Encapsulation. There is general agreement on the VC Based encapsulation method. In this approach, one protocol per virtual circuit, the Virtual Circuit identifier is used to identify the protocol being carried. The two approaches proposed for the multiplexing 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). The Group was not able to agree on which was preferred. There was some agreement that it would be better to select only one and that it was not good for uses of ATM to have to choose between the two, but no consensus was reached. The Group agreed to change the name of the document to ``Multiprotocol Interconnect over ATM using AAL5'' because it better describes the method chosen to do the encapsulation. A separate document may be written that describes doing encapsulation using other ATM adaptation layer protocol. Dan Grossman gave a presentation on the recent CCITT meeting. He reported that the differences between AAL3 and AAL4 have been resolved. The have been merged to from AAL3/4. AAL5 specification has been completed and all major technical issues have been resolved. Doug Hunt gave a presentation on the status of the ATM Forum. The forum completed its first major Document ``UNI Specification''. They have begun working on signaling for switched virtual circuits and traffic management. Fong Liaw gave a presentation titled ``Network layer Architecture for ATM Networks''. It addressed issues which have not been resolved in 1 private ATM network architectures. The topics included addressing, routing, multicast, signaling and connection management, and connection-less services. Attendees Masuma Ahmed mxa@sabre.bellcore.com David Arneson arneson@ctron.com Randall Atkinson atkinson@itd.nrl.navy.mil Sam Ayers s.ayers@sybus.com Ashar Aziz ashar.aziz@eng.sun.com Douglas Bagnall deb@proteon.com Cynthia Bagwell cbagwell@gateway.mitre.org Tony Ballardie a.ballardie@cs.ucl.ac.uk Tony Bates tony@ean-relay.ac.uk Ken Benstead kbenstead@coral.com C. Douglas Brown cdbrown@sandia.gov Caralyn Brown cbrown@wellfleet.com Alan Bryenton bryenton@bnr.ca John Burnett jlb@adaptive.com Robert Candela candela@sceng.ub.com James Carlson carlson@xylogics.com John Chang jrc@uswest.com Dilip Chatwani dilip@synoptics.com Cheng Chen ctc@huey.bellcore.com Dean Cheng dean@sun2.retix.com Isaac Choi ichoi@synoptics.com George Clapp clapp@ameris.center.il.ameritech.com Henry Clark henryc@oar.net James Cobban jcobban@bnr.ca Rob Coltun rcoltun@ni.umd.edu Jim Comen comenj@interlan.interlan.com Michael Conn 004387451@mcimail.com Eric Cooper ecc@fore.com Tracy Cox tacox@sabre.bellcore.com Michael DeAddio deaddio@thumper.bellcore.com Michael DiGioia digioia@interlan.interlan.com Hans Dittler dittler@conware.de Jack Drescher drescher@concert.net Dino Farinacci dino@cisco.com Dennis Ferguson dennis@mrbill.canet.ca James Forster forster@cisco.com Craig Fox foxcj@network.com Osten Franberg euaokf@eua.ericsson.se Cliff Frost cliff@cmsa.berkeley.edu Kathryn Fuller kathryn@codex.com Kelly Furlong kelly@kyle.ksc.nasa.gov Atul Garg agarg@synoptics.com Elise Gerich epg@merit.edu David Getchell getchell@cisco.com Daniel Grossman dan@merlin.dev.cdx.mot.com William Haggerty haggerty@ctron.com William Hawe hawe@erlang.enet.dec.com 2 Frank Heath heath@cmc.com Juha Heinanen juha.heinanen@datanet.tele.fi Ittai Hershman ittai@nis.ans.net Robert Hinden hinden@eng.sun.com Doug Hunt dhunt@bbn.com David Husak dave@synnet.com J. Lance Jackson jackson@noc.harvard.edu George Kajos kajos@coral.com Nick Kawaguchi mamster@lanai.cs.ucla.edu Kenneth Key key@cs.utk.edu Deidre Kostick dck2@sabre.bellcore.com Mark Lewis mlewis@telebit.com Fong-Ching Liaw fong.liaw@eng.sun.com Arthur Lin yalin@srv.pacbell.com Ron Mackey rem@dsiinc.com Andrew Malis malis@bbn.com Allison Mankin mankin@gateway.mitre.org Bill Manning bmanning@rice.edu Keith McCloghrie kzm@hls.com Paul Moran Paul_Moran@3com.com Rina Nathaniel rina!rnd!rndi@uunet.uu.net Jack Ng jkn@network.com Luc Nguyen luc@bellsouth.com Erik Nordmark nordmark@eng.sun.com Ari Ollikainen ari@es.net Roger Osmond bytex!rfo@uunet.uu.net Philippe Park ppark@bbn.com Ed Perreault ed@python.eng.microcom.com Roy Perry rperry@uswat.uswest.com Eric Peterson elpeterson@eng.xyplex.com Venkat Prasad vsp@3com.com Russell Pretty pretty@bnr.ca Scott Quinn smq@aries.bellcore.com K. K. Ramakrishnan rama@erlang.enet.dec.com Richard Ramos ramos@mtunm.att.com David Reiser dsr@codex.prds.cdx.mot.com Salvatore Ricci ricci@mtunm.att.com Anil Rijsinghani anil@levers.enet.dec.com Manoel Rodrigues manoel_rodrigues@att.com Christine Ross ross@warp.interlan.com Allan Rubens acr@merit.edu Anthony Rutkowski amr@sprint.com Timothy Salo tjs@msc.edu Jonathan Sandberg Jss@mitl.com Miguel Sasson sasson@xylogics.com John Sax jsax@bbn.com Hellen Sears sears@interlan.interlan.com Henry Sinnreich hsinnreich@mcimail.com Keith Sklower sklower@cs.berkeley.edu Lansing Sloan ljsloan@llnl.gov Andrew Smith asmith@synoptics.com Frank Solensky solensky@clearpoint.com Rajesh Srivastava rajesh@flash.tandem.com Brad Steinka brad@microcom.com 3 Scott Stein scotts@apple.com Roxanne Streeter streeter@nsipo.arc.nasa.gov Terrance Sullivan terrys@newbridge.com George Swallow gswallow@bbn.com Bruce Taber taber@interlan.com Marten Terpstra terpstra@ripe.net Linda Tom toml@interlan.interlan.com Sylvia Tom tom_sylvia@tandem.com Stephen Tsun snt@nsd.3com.com Ahmet Tuncay atuncay@synoptics.com Dono van-Mierop dono_van_mierop@3mail.3com.com Ross Veach rrv@uiuc.edu Justin Walker justin@apple.com James Watt jamesw@newbridge.com Luanne Waul luanne@wwtc.timeplex.com Liming Wei liming.wei@eng.sun.com Jehu Westmark westmark@ds1.scri.fsu.edu Chris Wheeler cwheeler@cac.washington.edu Rick Wilder wilder@ans.net Cathy Wittbrodt cjw@nersc.gov Jeff Wong jaw@io.att.com Robert Woodburn woody@cseic.saic.com Richard Woundy rwoundy@rhqvm21.vnet.ibm.com Joseph Zur zur@fibhaifa.com 4