Patent ID: 8615658

Claim:
A method for establishing a secure communication pathway between a mobile node and a home agent on a home network, comprising the steps of: receiving a registration request at a foreign agent on a foreign network from said mobile node located on said foreign network, said registration request including care-of addressing information to establish a communication pathway between the mobile node and the home agent located on the home network; transmitting an access request from the foreign agent to a home network AAA server located on the home network with a security association request for a specified foreign agent-home agent pairing, said home network AAA server dynamically allocating security parameters to support the security association request; receiving an access response at the foreign agent from the home network AAA server which includes the dynamically allocated security parameter information generated by the home network AAA server; transmitting the registration request to the home agent from the foreign agent including a selected portion of the security parameters received by the foreign agent, said home agent receiving the dynamically allocated security parameter information separately from the home network AAA server after receiving the registration request; receiving a registration response at the foreign agent from the home agent after confirmation of the foreign agent-home agent security association information, said registration response being provided to the mobile node to establish the communication pathway between the home agent and the mobile node.