Minutes of December '90 DFS-WG meeting

Peter Honeyman <honey@citi.umich.edu> Thu, 20 December 1990 03:10 UTC

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From: Peter Honeyman <honey@citi.umich.edu>
To: dfs-wg@citi.umich.edu
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Date: Wed, 19 Dec 90 22:09:14 -0500
Subject: Minutes of December '90 DFS-WG meeting
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Internet Engineering Task Force
Distributed File Systems Working Group

dfs-wg@citi.umich.edu is a mailing list for ongoing discussions
of the WG; administrative matters, such as requests to be added
or dropped from the list, should be addressed to



The DFS-WG met on 3 December 1990 at the Boulder IETF.  The
meeting was attended by

Gregory Bruell            gob@shiva.com
Lida Carrier              lida@apple.com
Karen Frisa               karen.frisa@andrew.cmu.edu
Ken Hibbard               hibbard@xylogics.com
Russell Hobby             rdhobby@ucdavis.edu
Peter Honeyman            honey@citi.umich.edu
Ole Jacobsen              ole@csli.stanford.edu
Stev Knowles              stev@ftp.com
Carl Malamud              carl@malamud.com
Tony Mason                mason+@transarc.com
Matt Mathis               mathis@pele.psc.edu
Donald Morris             morris@ucar.edu
Chris Myers               chris@wugate.wustl.edu
Andy Nicholson            droid@cray.com
David O'Leary             oleary@noc.sura.net
Mark Stein                marks@eng.sun.com
John Veizades             veizades@apple.com
David Waitzman            djw@bbn.com
Carol Ward                cward@spot.colorado.edu

Attendees were added to the working group mailing list.

The focal point of the WG continues to be wide-area NFS, i.e.,
NFS-across-the-Internet.  Particular concerns fall into two
areas:  congestion control and authentication/authorization.

Regarding the former, the consensus is that real progress on
congestion control for NFS lies in the hands of vendors, not in
those of Internet researchers and engineers.  Furthermore, many
attendees doubt whether the WG can do much to influence vendors
to address problems that are long-standing and well-known.

Along these lines, the following questions were raised:

    Can NFS' congestion handling be fixed?
    Could Sun fix it?
    Could the IETF fix it without Sun's cooperation?
    Is it legitimate to focus solely on Sun/RPC?
    Would Sun work with the IETF?  Should we care?
    What role does AFS play?  Or the Guelph NFS on TCP?

The answers to these questions are not entirely obvious.
Nevertheless, the WG is proceeding to document the shortcomings
in NFS/RPC/UDP as they affect good Internet-citizenship.

The WG urges backbone and regional network administrators to
monitor the ports used by NFS (principally UDP/2049) when
gathering network usage statistics; in this way, the IETF can
gauge the severity of the wide-area NFS problem.

Regarding authentication and authorization, the DFS-WG deems it
appropriate to delegate such issues to the WGs dedicated to
these areas.  The DFS-WG will enumerate its special concerns and
bring them to the attention of the appropriate security WGs at
the next IETF meeting.