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Editor's Note: Minutes received 12/14/92
CURRENT_MEETING_REPORT_
Reported by Philip Almquist/Consultant
Minutes of the Selection Criteria BOF (SELECT)
The objective of the Selection Criteria BOF was to develop consensus on
a precise statement of the community's goals for a replacement for IP.
The goal was to provide a yardstick against which the various proposals
could be objectively measured to point up their relative strengths and
weaknesses. Needless to say, this goal was far too ambitious to
actually be achievable in the single session available.
The BOF began with a discussion two previously written documents that
presented goals for the new IP:
o draft-partridge-ipv7-criteria-00.txt (Partridge/Kastenholz)
o draft-iab-ipversion7-00.txt (IAB)
The two sets of goals were compared and contrasted. Craig Partridge and
Barry Leiner verbally clarified and presented additional rationale for
the goals presented in those papers. Lively discussion ensued, during
which the Group modified the list of goals from the Partridge/Kastenholz
paper.
In particular, the goals of architectural simplicity and globally unique
identification of endpoints from the IAB's list were thought to be
important enough to be added. Some participants pointed out that it was
also important to add topological flexibility as a goal, noting that we
certainly needed to understand whether any of the proposed next
generation IP's would preclude topologies currently in use. Others
pointed out that, although it may be hard to quantify, the proposals may
embody differing amounts of technological risk, and that our criteria
needed therefore to address risk. Some felt that performance needed to
be a goal. Matt Mathis pointed out that different proposals may differ
in how the pain of deployment is allocated among the levels of the
networking food chain (backbones, midlevels, campus nets, end users),
and emphasized that we are unlikely to successfully deploy any proposal
in which some level receives little benefit from the new version of IP
yet is expected to shoulder a large chunk of the pain. Finally, a
number of people felt that IETF change control and freely available
specifications have been critical to the success of the current IP, and
that it is therefore important to consider to what extent each of the
proposals preserves those features. The goal of providing usage
accounting was dropped from the list of goals when it was pointed out
that the accounting requirements specified in the Partridge/Kastenholz
paper would be trivially met by any proposal.
Having come to a reasonable amount of consensus on a list of goals, the
BOF then set about the task of trying to rank them in terms of
importance. No real consensus was attained. Perhaps the best way to
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summarize the conclusions of this part of the meeting is to say that
whatever is chosen as an IP replacement must solve the scaling problem
and must not be substantially inferior to the current IP in terms of
other important attributes (security, manageability, robustness, etc.).
A third task, trying to refine each of the goals on the list into a
statement of sufficient detail and precision that the extent to which a
particular proposal met the goal could be fairly objectively determined,
was skipped due to lack of time.
Craig Partridge and Frank Kastenholz agreed to revise their
Internet-Draft to attempt to incorporate the results of the BOF.
Attendees
Roland Acra acra@cisco.com
Philip Almquist almquist@jessica.stanford.edu
Nagaraj Arunkumar nak@3com.com
Randall Atkinson atkinson@itd.nrl.navy.mil
Robert Austein sra@epilogue.com
Tony Bates t.bates@nosc.ja.net
Jordan Becker becker@ans.net
Shiraz Bhanji bhanji@gateway.mitre.org
Robert Braden braden@isi.edu
Vickie Brown brown@osi540sn.gsfc.nasa.gov
Jeffrey Burgan jeff@nsipo.nasa.gov
Ross Callon callon@bigfut.lkg.dec.com
Ken Carlberg Carlberg@cseic.saic.com
Brian Carpenter brian@dxcern.cern.ch
Charles Carvalho charles@acc.com
Vinton Cerf vcerf@cnri.reston.va.us
George Chang gkc@ctt.bellcore.com
A. Lyman Chapin lyman@bbn.com
Henry Clark henryc@oar.net
Richard Colella colella@osi.ncsl.nist.gov
David Crocker dcrocker@mordor.stanford.edu
John Curran jcurran@bbn.com
James Davin davin@bellcore.com
Michael Davis mad@spirit.clearpoint.com
Steve Deering deering@parc.xerox.com
Richard desJardins desjardi@boa.gsfc.nasa.gov
Tim Dixon dixon@rare.nl
Kurt Dobbins dobbins@ctron.com
Jacques Dugast dugast@issy.cnet.fr
Donald Eastlake dee@ranger.enet.dec.com
Robert Enger enger@reston.ans.net
Roger Fajman raf@cu.nih.gov
Dino Farinacci dino@cisco.com
Dennis Ferguson dennis@ans.net
William Fink bill@wizard.gsfc.nasa.gov
Eric Fleischman ericf@act.boeing.com
Peter Ford peter@goshawk.lanl.gov
Shoji Fukutomi fuku@furukawa.co.jp
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Vince Fuller vaf@stanford.edu
Heather Gray heather@zk3.dec.com
Eugene Hastings hastings@psc.edu
Robert Hinden hinden@eng.sun.com
Erik Huizer huizer@surfnet.nl
Ole Jacobsen ole@interop.com
David Jacobson dnjake@vnet.ibm.com
Dan Jordt danj@nwnet.net
Frank Kastenholz kasten@ftp.com
Dave Katz dkatz@cisco.com
Mark Knopper mak@merit.edu
Stev Knowles stev@ftp.com
John Larson jlarson@parc.xerox.com
Barry Leiner leiner@nsipo.nasa.gov
Fong-Ching Liaw fong@eng.sun.com
Olli-Pekka Lintula olli-pekka.lintula@ntc.nokia.com
Daniel Long long@nic.near.net
Triet Lu triet@cseic.saic.com
Gary Malkin gmalkin@xylogics.com
Tracy Mallory tracym@3com.com
David Marlow dmarlow@relay.nswc.navy.mil
Matt Mathis mathis@a.psc.edu
David Meyer meyer@oregon.uoregon.edu
Dennis Morris morrisd@imo-uvax.disa.mil
John Moy jmoy@proteon.com
Andy Nicholson droid@cray.com
Erik Nordmark nordmark@eng.sun.com
Peder Norgaard pcn@tbit.dk
Andrew Partan asp@uunet.uu.net
Craig Partridge craig@bbn.com
Roy Perry rperry@advtech.uswest.com
Yakov Rekhter yakov@watson.ibm.com
Joyce K. Reynolds jkrey@isi.edu
Henry Sanders henrysa@microsoft.com
John Scudder jgs@merit.edu
Erik Sherk sherk@sura.net
Cris Shuldiner cws@ftp.com
William Simpson Bill.Simpson@um.cc.umich.edu
Lansing Sloan ljsloan@llnl.gov
Frank Solensky solensky@andr.ub.com
John Tavs tavs@vnet.ibm.com
Marten Terpstra marten@ripe.net
Richard Thomas rjthomas@bnr.ca
Stuart Vance vance@tgv.com
Warren Vik wmv@i88.isc.com
Curtis Villamizar curtis@ans.net
A. Lee Wade wade@nsipo.nasa.gov
William Warner warner@ohio.gov
James Watt james@newbridge.com
Von Welch vwelch@ncsa.uiuc.edu
Guy Wells guy2@uswest.com
Chris Wheeler cwheeler@cac.washington.edu
Linda Winkler lwinkler@anl.gov
Robert Woodburn woody@sparta.com
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