Patent ID: 8059643

Claim:
A method for registering a first internet protocol version registration request and a second internet protocol version registration request in a single binding, the method comprising: receiving the first internet protocol version registration request from a mobile device at a home agent, the first internet protocol version registration request comprising a home address; recognizing the home address in the first internet protocol version registration request is unregistered; creating a binding at the home agent based on information in the first internet protocol version registration request; receiving the second internet protocol version registration request from the mobile device at the home agent, the second internet protocol version registration request comprising a home address; recognizing the home address in the second internet protocol version registration request matches the home address in the binding associated with the first internet protocol version registration request; and associating the binding with the first and second internet protocol version registration requests, wherein an internet protocol version of the first internet protocol version registration request differs from an internet protocol version of the second internet protocol version registration request.