Packet shaping on a fixed segment scheduler
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United States of America Patent
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Feb 7, 2006
Grant Date -
Apr 17, 2003
app pub date -
Oct 4, 2001
filing date -
Oct 6, 2000
priority date (Note) -
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status (Latency Note)
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Abstract
Methods and devices for scheduling data transmission processing based on the size of the data transmission unit and a predetermined increment value. A scheduler has slots which represent specific amounts of time in which a queue of data transmission units to be processed is represented. An indicator determines which slot and thereby which queue is being examined. Each queue is assigned a specific increment value and each data transmission unit in a queue is assigned a count value based on the size of the data transmission unit. When a data transmission unit is at the head of the queue and is a candidate for processing, if the count value is greater than a predetermined value then the queue and thereby the data transmission unit at the head of the queue is rescheduled at a later time. This is effected by assigning the queue to a subsequent slot in the scheduler. The subsequent slot in the scheduler is determined based on the given increment value for that queue. The increment value is based on how many data transmission units are desired to be processed within a given amount of time.
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