Queuing structure and method for prioritization of frames in a network switch
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United States of America Patent
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Nov 26, 2002
Grant Date -
N/A
app pub date -
Dec 18, 1997
filing date -
Feb 14, 1997
priority date (Note) -
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Abstract
A method and arrangement for queuing data in a prioritized manner has a queue with a single queue write side in which data entries are input to the queue. The queue also has a plurality of queue read sides, with each read side having a different priority level. An entry exiting from the queue write side is examined to determine the priority level of the entry, and then placed into the queue read side with the matching priority level as the entry. The queue read sides form the output of the queue, and are polled and emptied so that the higher priority queues are emptied completely before emptying lower priority queues.
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