Packet switch
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Jan 5, 1993
Issued Date -
N/A
app pub date -
Feb 4, 1991
filing date -
Feb 7, 1990
priority date (Note) -
Expired
status (Latency Note)
Importance
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.
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