Shared memory fabric architecture for very high speed ATM switch

Details Shared memory fabric architecture for very high speed ATM switch Shared memory fabric architecture for very high speed ATM switch

1996-09-13

1998-11-03

Olms, Douglas W.

Multiplex communications

Pathfinding or routing

Switching a message which includes an address header

370352, 370412, H04J 324

Patent

active

058319808

ABSTRACT:
A shared memory fabric architecture for asynchronous transfer mode (ATM) switches including a multi-dimensional array of electrically interconnected N*M switch modules, where N>>M. The fabric architecture also includes input ports for providing cells to the array of switch modules. The input ports operate at a predetermined speed S. The fabric architecture additionally includes memory devices electrically connected to the array to provide a hierarchical memory structure at each switch module. The memory devices include on-chip, high-speed memory devices operating at a high-speed memory speed of N*S and off-chip, low-speed memory devices operating at a low-speed memory speed of (Y+M)*S, where Y<<N.

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