Multiplex communications – Wide area network – Packet switching
Patent
1988-11-08
1990-11-06
Olms, Douglas W.
Multiplex communications
Wide area network
Packet switching
370 941, H04J 326
Patent
active
049691465
ABSTRACT:
A network for sensing, controlling and communicating information. The network comprises a plurality of cells including a first cell for sending a packet of information, a second cell for receiving the packet of information and a plurality of repeater cells for repeating the packet prior to its arrival at the second cell. A method is described including the steps of generating a random number and including the random number in the packet; performing a calculation by the repeater cells of fields including the random number to generate a first number; storing the first number; performing a calculation on subsequent packets received by the repeater cells to provide a second number; comparing the second number to the first number; and rebroadcasting the subsequently received packet if the second number is different than the first number.
REFERENCES:
patent: 4427968 (1984-01-01), York
patent: 4551834 (1985-11-01), Lienard
patent: 4653048 (1987-03-01), Anderson et al.
patent: 4748620 (1988-05-01), Adelmann et al.
patent: 4847834 (1989-07-01), Bryant
Sander Wendell B.
Twitty William B.
Echelon Systems Corporation
Marcelo Melvin
Olms Douglas W.
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