Flexible packet processing for network devices
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United States of America Patent
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Jul 29, 2014
Issued Date -
N/A
app pub date -
May 20, 2011
filing date -
Apr 27, 2011
priority date (Note) -
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Abstract
In general, techniques are described for flexible packet processing. A network device for processing a data packet comprise a packet processing engine and a special handling unit external from the packet processing engine. The packet processing engine includes one or more of a plurality of pipelined packet processing units that, when processing the data packet, generate one or more events and determine whether to associate a trap and/or a sampling class with the data packet based on the generated events. The pipelined packet processing units then set bits of a vector that is passed between the pipelined packet processing units to associate the packet with the determined trap and/or sampling class, and processes the packet based on the set one or more bits of the vector.
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