Gateway special interest group meeting notes
RFC 898
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RFC - Unknown
(April 1984; No errata)
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2013-03-02
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RFC 898 (Unknown)
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Network Working Group R. Hinden (BBN)
Request for Comments: 898 J. Postel (ISI)
M. Muuss (BRL)
J. Reynolds (ISI)
April 1984
GATEWAY SPECIAL INTEREST GROUP MEETING NOTES
STATUS OF THIS MEMO
This memo is a report on a meeting. No conclusions, decisions, or
policy statements are documented in this note.
INTRODUCTION
This memo is a report on the Gateway Special Interest Group Meeting
that was held at ISI in Marina del Rey, California on 28 and 29
February 1984. Robert Hinden of BBNCC chaired, and Jon Postel of ISI
hosted the conference. Approximately 35 gateway designers and
implementors attended. These notes are based on the recollections of
Jon Postel and Mike Muuss. Under each topic area are Jon Postel's
brief notes, and additional details from Mike Muuss.
The rest of this memo has three sections: the agenda, notes on the
talks, and the attendees list.
MEETING AGENDA
Tuesday, February 28
9:00 Opening Remarks -- BBN - Hinden
9:15 Opening Remarks -- ISI - Postel
9:30 The MIT C Gateway -- MIT - Martin
10:00 The Butterfly Gateway -- BBN - Hinden
10:30 Break
11:00 The EGP C Gateway -- ISI - Kirton
11:20 The BRL Gateway -- BRL - Natalie
11:40 The CMU Gateway -- CMU - Accetta
12:00 Lunch
1:30 The Wisconsin BITNET/CSNET Gateway -- UWisc - Solomon
2:00 LAN to X.25 Gateway -- Computer Gateways Inc. - Buhr
2:20 ISI-UCI Gateway -- UCI - Rose
2:40 FACC Gateway -- FACC - Holkenbrink
3:00 Break
3:30 Lincoln IP/ST Gateway -- LL - Forgie/Kantrowitz
3:50 Minimal Stub Gateways -- MITRE - Nabielsky
4:10 Discussion
Hinden, Postel, Muuss, & Reynolds [Page 1]
RFC 898 April 1984
Gateway SIG Meeting Notes
Wednesday, February 29
9:00 Opening Remarks -- BBN - Hinden
9:10 SPF routing -- BBN - Seamonson
9:35 Multiple Constraint Routing -- SRI - Shacham
10:00 FACC Multinet Gateway Routing -- FACC - Cook
10:30 Break
11:00 Metanet Gateway -- SRI - Denny
11:20 Address Mapping and Translation -- UCL - Crowcroft
11:40 Design of the FACC Multinet Gateway -- FACC - Cook
12:00 Lunch
1:30 SAC Gateway -- SRI - Su/Lewis
2:00 EGP -- Linkabit - Mills
2:30 Congestion Control -- FACC - Nagle
3:00 Break
3:30 A Gateway Congestion Control Policy--NW Systems - Niznik
4:00 Discussion
NOTES ON THE MEETING
The MIT C Gateway -- MIT - Martin
Postel: A description of the gateway implemented at MIT. The
gateway was first developed by Noel Chiappa. It is written in C.
The MIT environment has 32 internal networks which are treated as
subnets of the MITNET on the Internet. The MIT gateways then do
subnet routing in their interior protocol. The subnet routing
scheme is similar to GGP. Liza has added an EGP implementation to
this gateway.
Muuss:
Campus network/project Athena
Dynamic routing
Congestion control - grad student
+---------------+---+
Class A net : | 18|subnet|res|host|
+---------------+---+
"Bridges" forward between subnets.
Campus Network and Project Athena 65 VAX 750s, 200 IBM PCs.
Hosts: Now = 400, 1986 = 3,000, 1990 = 10,000
Subnets: Now = 42, 1985 = 60, 1990 = 200, (4 subnets/building)
Protocols: Internet, DECnet, Chaosnet
Hinden, Postel, Muuss, & Reynolds [Page 2]
RFC 898 April 1984
Gateway SIG Meeting Notes
FiberOptic spine between campus buildings.
MIT gateways:
11/03s and 11/23s
68000 on Abus
6800 on Multibus (Bridge communications)
MIT C gateway -
Runs under MOS, bridge OS, homegrown OS. Multiple protocols,
multiple interfaces.
11/03 - 100 packets/sec.
11/23 - 180 packets/sec.
GGP - Gw/Gw
EGP - Exterior Gw
IGP - Interior Gw
EGP: Autonomous systems
EGP:
Neighbor acquisition
Hello/I heard you
Net reachability poll
Net reachability message
MIT IGP:
IP header on EGP protocol
Dest: net number, subnet number, 0, 0377 (broadcast address)
IGP header:
Autonomous system number
Sequence number
Tasks:
Propagate exterior and subnet routing.
Packets
Ext route request, and update Routing server
Default gateway
Exceptional gateways
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