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dhc-minutes-90july.txt
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CURRENT_MEETING_REPORT_
Reported by Ralph Droms/ Bucknell
DHC Minutes
The meeting began with a presentation from Bill Nowicki of Legato about
Legato's ``Network Resource Administration Platform''. Bill prefaced
his talk with the statement that, while our Working Group is solving the
low level problems associated with dynamic naming and addressing, his
talk would cover more high level issues. The platform he described is
intended to ease the use and management of network facilities for a
running system.
The remainder of the meeting concentrated on Jeff Mogul's ``Proposal for
Supporting IP Address Assignment Using Coordinated BOOTP Servers''.
Jeff has written up the IP address allocation and delivery mechanism as
discussed at the June meeting in Palo Alto (see the PSC Proceedings for
details). A copy of Jeff's proposal is available for anonymous FTP on
sol.bucknell.edu in file dhcwg/mogul.prop.
The discussion raised several specific questions about the proposed
protocol:
o The protocol must not require a server on each subnet.
o There should be a new response ``No IP address available''.
o A client can release an IP address back to the IP address server -
can the client also clear ARP caches of any references to that
client?
o How can a client find out that its IP address has been reallocated
after a network partition heals?
o Rather than periodically pinging a host to verify that its IP
address is still in use, the IP address servers should only check
when IP addresses need to be reused.
o We need to write into the protocol description something about the
eventual use of multicast.
Steve Deering was good enough to go through the Host Requirements RFC
and generate a list of per network and per interface parameters. He
wondered if we should consider any of these as part of the dynamic host
configuration protocol:
Per network parameters:
Gateway forwarding on/off
Non-local source routing on/off
Policy filters for
non-local source routing (list)
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Maximum reassembly size integer
Default TTL integer
PMTU aging timeout integer
Per interface parameters:
Perform mask discovery on/off
Be a mask supplier on/off
Perform router discovery on/off
Router solicitation
multicast address (multicast address)
Ignore router discovery on/off
Default router list (addresses and preferences)
Static routes:
destination (host/subnet/net)
mask (subnet mask)
type of service integer
first hop router (address)
ignore redirects on/off
PMTU integer
perform PMTU
discovery on/off
Attendees
Karl Auerbach auerbach@csl.sri.com
Richard Basch probe@mit.edu
Scott Bradner sob@harvard.harvard.edu
Andrew Cherenson arc@sgi.com
Steve Deering deering@pescadero.stanford.edu
Tom Evans wcc@cup.portal.com
Karen Frisa karen@kinetics.com
Robert Gilligan gilligan@sun.com
Yong Guo guo@cs.ubc.ca
Steven Hubert hubert@cac.washington.edu
Holly Knight holly@apple.com
Gregory Lauer glauer@bbn.com
John Leong john.leong@andrew.cmu.edu
Paul McKenney mckenney@sri.com
Lynn Monsanto
Robert Morgan morgan@jessica.stanford.edu
Bill Nowicki nowicki@sun.com
Frank Slaughter fgs@shiva.com
John Veizades veizades@apple.com
Walter Wimer ww0n+@andrew.cmu.edu
Denis Yaro DYARO@SUN.COM
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