Packet switching equipment and a packet switching method for con

Details Packet switching equipment and a packet switching method for con Packet switching equipment and a packet switching method for con

1988-05-13

1989-10-24

Orsino, Joseph A.

Multiplex communications

Wide area network

Packet switching

370 941, H04Q 1104

Patent

active

048766810

ABSTRACT:
In order to enable an expansion of a packet switched network and a constitution change thereof to be readily achieved in a multistage switched network constitution, in a packet switched network including a packet data terminal, a packet switching equipment, a PBX, a multiplexer, an LAN, a voice communication apparatus such as a telephone set, and a facsimile or in a linkage between switching modules in a packet switching apparatus, the basic switching modules called configuration units connected to the network are interconnected to each other to form a hierarchic tree structure of which the number of hierarchic levels can be selected depending on a size of the packet switched network. Furthermore, in order to increase the reliability of the packet data transfer in the multi-stage switched network configuration, there are disposed a plurality of connecting lines between bit switches and upper-level configuration units so as to establish a redundant configuration.

REFERENCES:
patent: 3979733 (1976-09-01), Fraser
patent: 4370743 (1983-01-01), Moran
patent: 4380063 (1983-04-01), Janson et al.
patent: 4521882 (1985-06-01), Gabrielli et al.
C. Wu and T. Feng, "On a Class of Multistage Interconnection Networks", IEEE Trans, Comput., C-29, No. 8, 1980, pp. 694-702.

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