Data packet switching

Details Data packet switching Data packet switching

1989-02-02

1991-01-15

Olms, Douglas W.

Multiplex communications

Wide area network

Packet switching

370 60, H04J 324, H04Q 1104

Patent

active

049858890

ABSTRACT:
A technique for interconnecting line processing units (LPUs) of a packet switch and/or data concentrator system in which, instead of using a standard bus system, each LPU has a number of duplex point to point serial links that are connected in either a random or structured manner to provide a network of routes between the LPUs. Information is then transferred between source and destination LPUs as short packets. When the system is expanded by adding more LPUs, the network of serial point to point links expands to provide more routes and, hence, greater bandwidth to handle the increased information flow. Failure of a link in the network is not catastrophic as there are a number of different routes to any LPU and the system only degrades systematically in the event of link failures.

REFERENCES:
patent: 3794983 (1974-02-01), Sahin
patent: 4672373 (1987-06-01), Mori et al.
patent: 4736465 (1988-04-01), Bobey et al.
patent: 4742511 (1988-05-01), Johnson
patent: 4797882 (1989-01-01), Maxemchuk
patent: 4894822 (1990-01-01), Buhrke et al.

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