Method of broadcasting data by means of a data train
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United States of America Patent
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Jan 9, 1996
Grant Date -
N/A
app pub date -
Oct 20, 1994
filing date -
Oct 22, 1993
priority date (Note) -
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Abstract
A method of transmitting data between a set of data processing nodes interconnected by a communications network. Each node broadcasts data to the other nodes by causing a train of such data to travel over the network around a looped circuit or 'ring' passing through each of said nodes, each node in the ring having a predecessor and a successor. A counter is provided in the data train, and on receiving a data train sent by its predecessor, each node recovers the counter from the received data train, increments the counter, and dispatches to its successor a new data train including the counter as incremented. It also stores the new data train with the incremented counter in its memory so that it is possible to implement a simple fault recovery procedure in the event of one of the nodes becoming faulty.
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