Apparatus for selectively transferring data packets between loca

Details Apparatus for selectively transferring data packets between loca Apparatus for selectively transferring data packets between loca

1996-07-29

1997-05-27

Hsu, Alpus H.

Multiplex communications

Pathfinding or routing

Switching a message which includes an address header

370401, H04L 1246, H04L 1256, H04Q 1104

Patent

active

056338651

ABSTRACT:
A switching apparatus for selectively transferring data packets between a plurality of local area networks (LANs) at full-wire speed. A shared memory is used to store in buffers data packets received from one LAN prior to their transfer to another LAN under control of a block of control logic. The control logic maintains and updates sets of pointers which identify and control access to the buffers in shared memory. A single processor monitors these pointers and in response to a single source address table further updates these pointers to direct the control logic to discard or alternatively to transfer received data packets to other LANs.

REFERENCES:
patent: 5088090 (1992-02-01), Yacoby
patent: 5136580 (1992-08-01), Videlock et al.
patent: 5214646 (1993-05-01), Yacoby
patent: 5245606 (1993-09-01), DeSouza
patent: 5343471 (1994-08-01), Cassagnol
patent: 5379289 (1995-01-01), DeSouza et al.
patent: 5396493 (1995-03-01), Sugiyama

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