Patent ID: 8442011

Claim:
A networking system comprising: a proxy mobility agent (PMA) module configured to send a first binding update message including a unique identifier to a remote home agent (HA) in response to a trigger signal, wherein the remote HA is located remotely from the networking system; and an HA module configured to (i) receive a second binding update message from a remote PMA, the second binding update message including the unique identifier, and (ii) selectively send the trigger signal to the PMA module in response to the second binding update message, wherein the unique identifier identifies a mobile terminal associated with the remote PMA, wherein the remote PMA is located remotely from the networking system, wherein the PMA module is further configured to (i) receive a first binding acknowledgement from the remote HA, the first binding acknowledgement including an internet protocol (IP) address assigned to the mobile terminal by the remote HA, and (ii) forward the assigned IP address to the HA module, and wherein the HA module is further configured to (i) receive the assigned IP address from the PMA module and (ii) transmit a second binding acknowledgement to the remote PMA, the second binding acknowledgement including the assigned IP address.