Patent ID: 8700771

Claim:
A system for communicating with a mobile node and controlling access rights on a data flow, the system comprising: an access gateway in communication with the mobile node; the access gateway having an access control list that includes a set of rules that are configured to filter packets to redirect some of the packets between the access gateway and the mobile node; and the access gateway further including a cache storing a copy of a subset of the access control list, the cache including at least one packet parameter associated with at least one rule that is configured to redirect some of the packets received by the access gateway; the access gateway responsive to receiving a packet, comparing header information from the packet to the at least one packet parameter stored in the cache to determine if there is a match between the header information and a packet parameter stored in the cache, and wherein, if there is a match in the cache between the header information and a packet parameter stored in the cache, implementing a rule associated with the packet parameters to redirect the packet, and if there is no match between the header information and a packet parameter stored in the cache, searching the access control list for an applicable rule and populating the cache with a packet parameter that matches the applicable rule.