Patent ID: 6956846

Claim:
A method for selecting a packet data serving node for a mobile node in a mobile Internet Protocol network, the method comprising: receiving on a first foreign agent control node a registration request message from a radio network node, wherein the registration request message is associated with a mobile node; making a determination that a mobile profile associated with the mobile node is not available on the first foreign agent control node; generating a query request message at the first foreign agent control node, wherein the query request message comprises a request for the mobile profile associated with the mobile node; sending the query request message from the first foreign agent control node to a second foreign agent control node; receiving a query response message on the first foreign agent control node from the second foreign agent control node; making a determination that the query response message comprises the mobile profile including a network address of a packet data serving node associated with the mobile node; and sending from the first foreign agent control node to the radio network node a registration response message comprising the network address of the packet data serving node specified in the mobile profile.