Token ring with secondary transmit opportunities
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United States of America Patent
Stats
-
Jan 21, 1986
Grant Date -
N/A
app pub date -
Dec 23, 1983
filing date -
Dec 23, 1983
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
Stations on a token ring network use a 'Secondary Transmit Opportunity' protocol to transmit information onto the ring. According to the protocol a ring station detecting an idle character immediately following an abort sequence or a physical trailer sequence on the ring may insert a message. Simultaneously, the ring station monitors an input bit stream to detect messages and tokens from upstream stations. If this condition is detected, the station aborts or continues transmission in accordance with a predefined message priority algorithm.
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