High speed switching module comprised of stacked layers...

Details High speed switching module comprised of stacked layers... High speed switching module comprised of stacked layers...

2004-10-06

2008-10-21

Pham, Chi H (Department: 2616)

Multiplex communications

Pathfinding or routing

Through a circuit switch

C370S388000, C370S389000, C257S499000, C257S661000, C257S930000, C340S002600

Reexamination Certificate

active

07440449

ABSTRACT:
A compact multi-stage switching network (100), and a router (510) incorporating such multi-stage switching network, adapted for simultaneously routing a plurality of data packets from a first plurality of input ports (110) to selected ones of a second plurality of output ports (190) comprising: a first stack (140) of IC switching layers (113) that are stacked in physical contact with one another, each IC switching layer containing at least one switching element circuit (142); a second stack (160) of IC switching layers (113) that are stacked in physical contact with one another, each IC switching layer (113) containing at least one switching element circuit (162); and interconnecting circuitry (150) that connects the first stack (140) of IC layers to the second stack (160) of IC layers to form the compact multi-stage switching network. The stacks (140, 160) are preferably mated to one another in a transverse fashion in order to achieve a natural full-mesh connection. Also contemplated are the use of superconducting IC switching circuits (142) and a suitable superconducting cooling housing (730), as permitted by the compact nature of the multi-stage switching network (100), in order to operate at high speed and low power.

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