Patent ID: 8526404

Claim:
A first Home Agent, comprising: a processor; and a memory, at least one of the processor or the memory being adapted for: receiving a registration request from a Mobile Node, the registration request including a care-of address, the first Home Agent being one of a set of Home Agents, wherein the registration request includes an Internet Protocol (IP) address of the first Home Agent; authenticating the Mobile Node; when authentication is successful, updating a mobility binding table to include a binding for the Mobile Node such that the Mobile Node is associated with its care-of address, the binding indicating that the first Home Agent is serving as a serving Home Agent for the Mobile Node, wherein the serving Home Agent is responsible for forwarding data packets addressed to the Mobile Node to the Mobile Node; sending a notification to a second Home Agent in the set of Home Agents indicating that the registration request has been received and processed by the first Home Agent such that the Mobile Node is registered with the first Home Agent, wherein the notification further indicates that data packets received by the second Home Agent that are addressed to the Mobile Node are to be forwarded by the second Home Agent to the first Home Agent until the second Home Agent receives a second registration request from the Mobile Node; composing a registration reply; and sending the registration reply to the Mobile Node; wherein the first Home Agent is located in a Service Provider Network and the second Home Agent is located in an enterprise network of the Mobile Node; wherein the first Home Agent is not located in the enterprise network.