Multiplex communications – Wide area network – Packet switching
Patent
1993-03-04
1994-12-06
Marcelo, Melvin
Multiplex communications
Wide area network
Packet switching
370 581, 370 92, H04J 324, H04L 1250
Patent
active
053717350
ABSTRACT:
A communication network having a service processor, a plurality of terminal nodes, and a network of switch nodes for switchably connecting the service processor to each terminal node by way of one or more connection paths. Each switch node in the communication network is connected to the service processor either directly or through one or more other switch nodes. Each terminal node of the communication network is connected to a switch node. Each switch node and each terminal node has a device identification. At least two nodes have the same device identification. Each target node having the same device identification as another node can preferably be connected to the service processor by way of at least one connection path which does not include any other node having the same device identification as the target node. All switch nodes having the same minimum connection path length may, for example, have the same device identification.
REFERENCES:
patent: 4801934 (1989-01-01), Herkert
patent: 4993018 (1991-02-01), Hajikano et al.
patent: 5291477 (1994-03-01), Liew
IBM Tech. Disc. Bulletin V. 36 #3 Mar. 1993 Anon "Functional Addressing" p. 179.
Patent Abstracts of Japan V16 #536, p. 1449 Nov. 1992 I. Yasuo "Microprogram Load Control System" (JP-A-04 199 445).
Denneau Monty M.
Hochschild Peter H.
Stunkel Craig B.
International Business Machines - Corporation
Marcelo Melvin
Schechter Marc D.
Tassinari, Jr. Robert P.
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