Packet processor with multi-level policing logic
Number of patents in Portfolio can not be more than 2000
United States of America Patent
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Issued Date -
Jul 11, 2002
app pub date -
Jan 8, 2001
filing date -
May 24, 2000
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
A switch includes a backplane and multiple packet processors. One or more packet processors include multi-level policing logic. The packet processor receives a packet and classifies the packet into multiple policeable groups. The packet is compared against bandwidth contracts defined for the policeable groups. Nested lookups are performed for the packet in a policing database to identify the multiple groups and to retrieve policing data for the multiple policeable groups. The policing results, which may be combined into a single policing result by taking the worst case policing result, are applied to disposition logic as recommendations, and are combined with other disposition recommendations to make a disposition decision for the packet.
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