Scalable bandwidth digital data switch

Details Scalable bandwidth digital data switch Scalable bandwidth digital data switch

1996-10-25

1999-04-27

Hofsass, Jeffrey A.

Multiplex communications

Pathfinding or routing

Switching a message which includes an address header

370355, 370389, 3408258, H04Q 100

Patent

active

058986928

ABSTRACT:
A scalable bandwidth switch is formed from a smart data crossbar and a plurality of simple data crossbars in parallel. A data block that is inputted into the switch contains a header portion and a payload portion. The data block is multiplexed so that the entire header portion is inputted to a port in the smart data crossbar. The smart data crossbar determines the destination of the data block from the header portion, and transmits this information on a control line. The payload portion is inputted to the port in the smart data crossbar, and ports in the plurality of simple crossbars depending on the bandwidth desired. The control line is coupled to the simple data crossbars and configures the simple data crossbars using the port destination information generated by the smart data crossbar.

REFERENCES:
patent: 4695999 (1987-09-01), Lebizay
patent: 4929939 (1990-05-01), Varma et al.
"GIGAswitch/ATM Networking Switch," product brochure.
"AX7008 ATM Backbone Switch," product brochure.

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