Non-blocking multi-cast switching system

Details Non-blocking multi-cast switching system Non-blocking multi-cast switching system

1991-04-08

1993-01-12

Kuntz, Curtis

Multiplex communications

Wide area network

Packet switching

370 941, H04Q 1104

Patent

active

051795515

ABSTRACT:
A multi-cast switching system comprised of a pair of high speed data networks, each of said data networks being either a Benes network, a Clos network, or a Cantor network, and configured to provide point-to-point switching only in the first network and multi-cast switching in the second network, may be non-blocking for adding a multi-cast connection and re-arrangeably non-blocking for augmenting an existing multi-cast connection using the algorithm which essentially consists of identifying the most lightly loaded middle stage switch, connecting the input to the middle stage switch, and connecting the outputs to the middle stage switch. A minimal speed advantage for each type of network is presented and thereby reduces the cost of each network in order to achieve non-blocking operation.

REFERENCES:
patent: 4804956 (1989-02-01), Boxall

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