Port packet queuing
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United States of America Patent
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-
Sep 16, 2014
Grant Date -
Aug 30, 2012
app pub date -
May 9, 2012
filing date -
Apr 27, 2000
priority date (Note) -
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status (Latency Note)
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Abstract
A port queue includes a first memory portion having a first memory access time and a second memory portion having a second memory access time. The first memory portion includes a cache row. The cache row includes a plurality of queue entries. A packet pointer is enqueued in the port queue by writing the packet pointer in a queue entry in the cache row in the first memory. The cache row is transferred to a packet vector in the second memory. A packet pointer is dequeued from the port queue by reading a queue entry from the packet vector stored in the second memory.
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