H - Electricity – 04 – L
Patent
H - Electricity
04
L
354/226
H04L 12/433 (2006.01) H04L 12/407 (2006.01)
Patent
CA 1207462
Abstract of the Disclosure A token-passing, ring-based data com- munications network provides a distributive method and apparatus for detecting and regenerating a lost token. The method includes, after detection of the loss of the token, transmitting at a detecting node a data packet not including a token, the data packet uniquely iden- tifying the transmitting node as the data source. Simultaneously, the transmitting node, after transmitting the tokenless data packet, strips all incoming data from the network. If the transmitted packet is successfully received by the transmitting node, a new token is generated by the node. If the packet is not received, the node defers to an arbitra- tion method which includes delaying a next data packet transmission for a probabilistically determined period of time. The mean time upon which the probabilistic approach is based increases with each unsuccessful data packet transmission attempt.
446951
Bahr Richard G.
Cohen Paul B.
Prime Computer Inc.
Riches Mckenzie & Herbert Llp
LandOfFree
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