Multiplex communications – Wide area network – Packet switching
Patent
1987-04-07
1989-11-21
Griffin, Robert L.
Multiplex communications
Wide area network
Packet switching
3908255, H04J 302
Patent
active
048827282
ABSTRACT:
A data communication networking system for carrying messages among a plurality of data handling devices in accordance with a plurality of different networking modes, each device being compatible with at least one of the networking modes, the networking system including networking circuitry for interconnecting the devices effectively in accordance with different ones of the networking modes, and concentrator circuitry having control circuitry for providing signals indicative of the networking modes with which different devices are compatible, and routing circuitry responsive to the control circuitry for routing messages between a given device and the networking circuitry in accordance with one of the networking modes with which the given device is compatible.
REFERENCES:
patent: 3890471 (1975-06-01), Hachenburg
patent: 4251880 (1985-02-01), Bargh et al.
Rance, "IEEE Project 802--A Status Review", Local Networks, Strategy & Systems, Mar. 1983, pp. 399-413.
Hawe, "Transparent Interconnection of Local Area Networks with Bridges", Journal of Telecommunication Networks, vol. 3, No. 2, 1984, pp. 116-130.
Codex Corporation
Griffin Robert L.
Scutch III Frank M.
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