Method and apparatus for weighted fair queuing
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United States of America Patent
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May 13, 2008
Grant Date -
N/A
app pub date -
Aug 1, 2003
filing date -
Aug 1, 2003
priority date (Note) -
Expired
status (Latency Note)
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Abstract
Management of a plurality of queues is made weighted and fair through the introduction of a system of credits. A credit is spent when a fixed-size unit of storage is served from a selected one of the queues. A scheduler selects a queue when an identifier of the queue reaches the head of a service queue. Credits are regained through a distinct credit management method that takes into account a weight associated with each queue. The arrival of new data in a previously empty queue can trigger the inclusion of the previously empty queue in data structures associated with the credit management method.
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