Multiplex communications – Wide area network – Packet switching
Patent
1993-09-15
1994-12-27
Olms, Douglas W.
Multiplex communications
Wide area network
Packet switching
371 32, H04J 314, G06F 1100
Patent
active
053771885
ABSTRACT:
A communication system comprises a communication history table for recording as a communication history the communication cycles to transmit and receive a message by the broadcast communication, a communication cumulative value comparison unit for comparing the communication cumulative value stored into the communication history table with the communication cumulative value added to the received message, and a retransmission processing unit for deciding whether a communication apparatus receiving the message or a communication apparatus transmitting the message incurs an error and, for specifying a message to be retransmitted corresponding to the message missing when the transmitting communication apparatus incurs a message error.
REFERENCES:
patent: 5142538 (1992-08-01), Fickes et al.
patent: 5150368 (1992-09-01), Autruong et al.
patent: 5210751 (1993-05-01), Onoe et al.
"An Efficient Reliable Broadcast Protocol", Kaashoek et al., ACM Operating System Review, 23(4):5-19 (1989).
"Broadcast Protocols for Distributed Systems", Melliar-Smith et al., IEEE Transactions on Parallel and Distributed Systems, 1(1):17-25 (1990).
Jung Min
Kabushiki Kaisha Toshiba
Olms Douglas W.
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