Patent ID: 7366145

Claim:
A method of performing a care of address registration of a mobile node at a home server unit of a home network of the mobile node, the home network comprising a plurality of home server units being configured to maintain a binding between a home address of the mobile node and its current care of address from a visited network, the method comprising: selecting, at the mobile node, a first home server unit for registration; sending a binding update message from the mobile node to the first home server unit; deciding whether a binding update is to be rejected in response to the received binding update message; in case it is decided that the binding update is to be rejected, selecting, at the first home server unit, at least one second home server unit, including information about the at least one second home server unit in a binding acknowledgment message rejecting the binding update and sending the binding acknowledgment message resulting therefrom from the first home server unit to the mobile node.