Switching network for interconnecting bothway input/output links

Details Switching network for interconnecting bothway input/output links Switching network for interconnecting bothway input/output links

1995-06-27

1997-08-05

Olms, Douglas W.

Multiplex communications

Pathfinding or routing

Through a circuit switch

370400, 370434, H04L 1202

Patent

active

056549563

ABSTRACT:
The invention relates to a switching network enabling a plurality of bothway I/O links to be interconnected. In one embodiment of the invention, the network includes at least two nodes, each node possessing not more than k incident I/O points, k.gtoreq.2, n sets of k extended I/O points, n.gtoreq.2, and extension/concentration devices enabling each of the k incident I/O points to be connected to one of the extended I/O points of each of the n sets. Each bothway I/O link is capable of being connected to one of the incident I/O points of one of the nodes, and each node is associated with a bothway switching matrix having k I/O ports. The nodes are interconnected in pairs by first and second one-way switching matrices each having k input ports and k output ports.

REFERENCES:
patent: 3746796 (1973-07-01), Gebhardt
patent: 4754478 (1988-06-01), Leibersberger et al.
patent: 4870641 (1989-09-01), Pattavina
patent: 5123011 (1992-06-01), Hein et al.
patent: 5353282 (1994-10-01), Dormer et al.
patent: 5471465 (1995-11-01), Gamm
IEEE Communications Magazine, vol. 31, No. 2, Feb. 1993, pp. 28-37, XP 000334601, E. W. Zegura, "Architectures for ATM Switching Systems".

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