Method for multiprocessor communications
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United States of America Patent
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Jan 5, 1988
Grant Date -
N/A
app pub date -
Jun 5, 1985
filing date -
Jun 5, 1985
priority date (Note) -
Expired
status (Latency Note)
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Abstract
An improved method for communicating updated information among processors in a distributed data processing system. The system includes a plurality of distributed interconnected processors each having a memory. The method includes the steps of prioritizing the processors into a predetermined order, establishing one of the processors as a control processor for the broadcast of update messages, developing an update message in at least one of the processors, selecting in accordance with the control processor one of the processors which has developed an update message as a sender processor, broadcasting the update message of the sender processor to each of the processors, and causing the next processor in order to be selected as control processor in the event that the former control processor fails in service. As one preferred use, the method enables the system to transmit atomic global update messages with a tolerance to multiple processor faults.
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