Queue control method and system
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United States of America Patent
Stats
-
Jan 24, 2006
Grant Date -
Nov 7, 2002
app pub date -
Feb 26, 2001
filing date -
Feb 26, 2001
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A queue control system and method for scheduling fixed size traffic elements for transmission on a link from a number of queues. The system comprises a memory, queues and queue processor. The memory stores a linear array, where each array index corresponds to a transmission priority and is capable of referencing a list of queues. Each queue has an assigned weight and an associated calculation remainder variable stored in a memory. Queues referenced by a low value array index are selected for transmission before queues referenced by higher value array index. The queue processor is arranged so that to repetitively select a queue for transmission in dependence on the referenced position of the queue in the array, and to operate a predetermined function for moving the reference to a queue selected for transmission to a new array index.
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