Contention revolution in a digital computer system
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United States of America Patent
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May 14, 1991
Grant Date -
N/A
app pub date -
Mar 30, 1988
filing date -
Mar 30, 1988
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A method of assigning priorities and resolving bus contention in a distributed computer system is disclosed. Each system node is assigned an identifier. Priorities are reassigned at each change in bus access such that the node that most recently had access to the bus is assigned the lowest priority with the node having the next identifier in sequence being assigned the highest priority and all other nodes assigned priority in accordance with their identifier's position in the sequence. The identifiers are logically treated as organized in a circular fashion such that the lowest node identifier is considered to come next in the sequence after the highest node identifier.
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