Packet switch

Details Packet switch Packet switch

1991-02-04

1993-01-05

Olms, Douglas W.

Multiplex communications

Wide area network

Packet switching

370 941, 370 15, H04J 312

Patent

active

051777363

ABSTRACT:
A packet switch comprises a switch having a plurality of input lines and a plurality of output lines for sending a packet supplied from each of the input lines to one of the output lines selected in accordance with routing information attached to each packet, a plurality of pairs of input/output lines connected to terminals or other switches, a plurality of line interface provided one for each of the input/output lines and each connected to one of the input lines and one of the output lines of the switch, and a controller connected to one of the input lines and one of the output lines of the switch. Control information is communicated between the controller and the line interfaces or the switch via a control packet through the switch. The switch may be a plurality of multi-stage connected unit switches and input lines and output lines thereof are divided into a plurality of groups. The controller is connected to an input line of one of first stage unit switches and an output line of one of final stage unit switches of one of the switch groups.

REFERENCES:
patent: 4486877 (1984-12-01), Turner
patent: 4550397 (1985-11-01), Turner et al.
patent: 4561090 (1985-12-01), Turner
patent: 4670871 (1987-06-01), Vaidya
patent: 4782478 (1988-11-01), Day, Jr. et al.

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