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dhc-minutes-89july.txt
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1993-02-17
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Dynamic Host Configuration Working Group
Chairpersons: Ralph Droms/Bucknell University and Phill Gross/NRI
CURRENT MEETING REPORT
Reported by Ralph Droms
AGENDA
o Review Objectives from April meeting
o Agree on statement of required configuration information
o Discuss existing configuration protocols
ATTENDEES
1. Borman, Dave/dab@cray.com
2. Brunner, Eric/brunner@monet.berkeley.edu
3. Cook, John/cook@chipcom.com
4. Deering, Steve/deering@pescadero.stanford.edu
5. Denny, Barbara/denny@sri.com
6. Droms, Ralph/rdroms@nri.reston.va.us
7. Edwards, David/dle@cisco.com
8. Fair, Erik/fair@apple.com
9. Fox, Richard/rfox@suntan.tandem.com
10. Gilligan, Bob/gilligan@sun.com
11. Gross, Phill/pgross@nri.reston.va.us
12. Jordt, Dan/danj@cac.washington.edu
13. Lear, Eliot/lear@net.bio.net
14. Lottor, Mark/mkl@nic.ddn.mil
15. LoVerso, John/loverso@xylogics.com
16. Maas, Andy/maas@jessica.stanford.edu
17. Mamakos, Louis/louie@trantor.umd.edu
18. Mockapetris, Paul/pvm@isi.edu
2
19. Morgan, Bob/morgan@jessica.stanford.edu
20. Mundy, Russ/mundy@tis.com
21. Natalie, Ron/ron@rutgers.edu
22. Partridge, Craig/craig@nnsc.nsf.net
23. Perkins, Drew/ddp@andrew.cmu.edu
24. Petry, Mike/petry@trantor.umd.edu
25. Rochlis, Jon/jon@mit.edu
26. Romkey, John/romkey@asylum.sf.ca.us
27. Satz, Greg/satz@cisco.com
28. Schiller, Jeff/jis@bitsy.mit.com
29. Skinner, Greg/gds@spam.istc.sri.com
30. Westfield, Bill/billw@cisco.com
MINUTES
The Stanford meeting began with a review of the objectives discussed at the
April meeting. The next topic was a discussion of information required by a
host to participate in Internet communications:
o IP address
o Subnet properties
-- Subnet mask
-- MTU
-- Broadcast address
o Default gateway
o DNS server
o Domain name of host
o High-level services
-- Boot services
-- Other gateways
-- Local network topology
Having agreed on the list of configuration information, the group developed
a list of mechanisms required to distribute and maintain host
configurations:
3
o IP address discovery
o IP address allocation
o Subnet properties discovery
o Gateway discovery
o Gateway reconfiguration
o DNS server discovery
o Domain name allocation
o DNS update/name, IP address registration
o High-level resource discovery
These mechanisms can be loosely grouped into two categories: discovery
mechanisms, which transmit configuration information to a host, and
allocation mechanisms, which determine host-specific information. For
example, the mechanism used to transmit an IP address to a host can be
entirely independent of the mechanism used to select that IP address.
Several members of the group described details of existing configuration
mechanisms (both at the meeting and immediately afterward, through the
host-config@rutgers.edu mailing list). There are several existing protocols
of interest to this group:
o ICMP
o BOOTP
o Athena NIP (Schiller and Rosenstein, MIT)
o Dynamic IP Address Assignment (Morgan, Stanford)
o DRARP (Brownell, Sun)
At the next meeting, we will discuss an Internet Draft that summarizes the
conclusions reached at the Stanford meeting.