Patent ID: 7061887

Claim:
A method for supporting muitiple mobile IP sessions with dynamically allocated home IP addresses in a network, the method comprising at a Home Agent (HA) the steps of: receiving a registration request ultimately sent from a Mobile Node (MN), the request comprising a care-of address (COA) and a home IF address; verifying if any mobility bindings exist for the MN; if yes, verifying if the COA from the registration request is equal to the COA from the latest registration request from the MN; if no, verifying if the home IP address in the registration request is zero; if yes, verifying if the MN has reached its session number limit; if no: creating a new mobile IP session for the MN; and if yes: retrieving the home IF address associated with a first mobility binding for the MN; removing any other mobility binding for the MN; and returning a registration response.