Multiplex communications – Wide area network – Packet switching
Patent
1994-03-22
1995-10-17
Olms, Douglas W.
Multiplex communications
Wide area network
Packet switching
370 943, H04L 112
Patent
active
054597250
ABSTRACT:
A packet communications network in which multicast transmissions are made reliable by transmitting acknowledgements to all neighbors of every receiving node, including the source node. This allows the relinquishment of message holding buffers as soon as all near neighbors acknowledge receipt of the message after only tile longest round trip time to the nearest neighbors, rather than the round trip to the furthest destination. Moreover, highly reliable ancillary point-to-point transmission facilities can be used to retransmit multicast messages indicated as being lost by failure of acknowledgment. Finally, network partitions occurring during the multicast procedure do not necessarily lose the multicast message to the remote partitions since any node receiving the message can insure delivery to all other nodes in that partition.
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Bodner Rachel A.
Chow Chee-Seng
Cidon Israel
Dudley John G.
Edwards Allan K.
International Business Machines - Corporation
Jung Min
Nimtz Robert O.
Olms Douglas W.
Woods Gerald R.
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