Network packet processing using multi-stage classification
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United States of America Patent
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Oct 12, 2010
Grant Date -
Aug 28, 2008
app pub date -
Feb 28, 2007
filing date -
Jan 19, 2007
priority date (Note) -
Expired
status (Latency Note)
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Abstract
Methods and systems for processing packets in data network using multistage classification are disclosed. An example method for processing packets includes receiving a data packet at a first processing stage and examining the packet at the first processing stage to determine a first attribute of the packet. Based on the first attribute, a first classification is assigned to the packet. In the example method, the packet and the first classification are communicated from the first processing stage to a second processing stage and the packet is examined at the second processing stage to determine a second attribute of the packet. Based on the second attribute, a second classification is assigned to the packet. The example method further includes processing the packet based on the first classification and the second classification.
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