Apparatus and method for packet transmission
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United States of America Patent
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-
Oct 10, 2006
Grant Date -
Aug 22, 2002
app pub date -
Oct 23, 2001
filing date -
Oct 30, 2000
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A packet transmission apparatus transfers arriving packets directly to a highest-priority queue under non-congestion conditions, and classifies the priority of a packet only on the existence of congestion. In one embodiment, non-congestion is determined when all queues are empty. In another embodiment, congestion or non-congestion is determined by upper and lower thresholds on the total number of packets in all queues. The ability to omit classifying incoming packets in the non-congestion condition improves processing speed, and eliminates the need for re-queuing or packet-replacing operations.
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