Access control list rule compression using meter re-mapping

Details Access control list rule compression using meter re-mapping Access control list rule compression using meter re-mapping

2011-05-17

2011-05-17

Thai, Tuan V (Department: 2185)

Electrical computers and digital processing systems: memory

Storage accessing and control

Specific memory composition

C711S149000

Reexamination Certificate

active

07945725

ABSTRACT:
A system may include a content addressable memory (CAM) that is configured to include multiple services, receive a key, where the key includes source port information and IP information related to a packet received on one of multiple ports, and output a match index value in response to a search of the CAM using the key. The system may include a policy memory module that is configured to receive the match index value and to output meter controls and a meter address based on the match index value, a port meter map module that is configured to receive the source port information and to output a mask value and a per port meter value, and a remapping module that is configured to receive the meter address, receive the mask value and the per port meter value, and modify the meter address based on those values.

REFERENCES:
patent: 2002/0163935 (2002-11-01), Paatela et al.
patent: 2002/0186661 (2002-12-01), Santiago et al.
patent: 2004/0095927 (2004-05-01), Chang et al.
patent: 2006/0039374 (2006-02-01), Belz et al.
patent: 2009/0097407 (2009-04-01), Buskirk et al.

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