Self-routing switch and its routing method

Multiplex communications – Wide area network – Packet switching

Patent

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H04Q 1104

Patent

active

050220250

ABSTRACT:
A self-routing switch in which a plurality of switching stages, each having a plurality of switching elements, are sequentially connected by substitute links, wherein additional two input terminals and additional two output terminals are provided in each switching element of at least the last plural switching stages of the switch, and the output terminals and input terminals of the same line position between these last plural switching stages are connected by equivalent links, respectively. When information data appended with a destination address and judge times, as routing information, is input into the switch, one of the bits in the destination address is selected as a judge bit on the basis of the judge times, and the output terminal to which the information data is to be output is selected according to the value of the judge bit.

REFERENCES:
patent: 4731878 (1988-03-01), Vaidya
patent: 4761780 (1988-08-01), Bingham et al.
"The Load-Sharing Banyan Network", by Lea, IEEE, Transactions on Computers, vol. C-35, No. 12, 12/86, pp. 1025-1034.
"Packet Switching Networks for Multiprocessors and Data Flow Computers", by Chin et al., IEEE Transactions on Computers, vol. C-33, No. 11, 11/84, pp. 991-1003.

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