Fixed latency priority classifier for network data
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United States of America Patent
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Mar 25, 2014
Issued Date -
N/A
app pub date -
Dec 28, 2011
filing date -
Dec 28, 2011
priority date (Note) -
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Abstract
A network device may receive a packet including control tags in a header portion of the packet and may extract candidate tags from the control tags in the header portion of the packet. The network device may compress, using a first lookup table, the candidate tags to obtain keys corresponding to the candidate tags, where each of the keys is represented in a compressed format relative to the corresponding candidate tags. The network device may further determine a final key based on the first keys and determine a priority class for the packet based on a lookup operation of the final key into a second lookup table. The network device may further write the packet, or a reference to the packet, to a selected priority queue, of a number of priority queues, where the priority queue is selected based on the determined priority class.
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