Patent ID: 7284057
Filing Date: 2007-10-16
Classification: H04W

Abstract:
1. In a first one of a plurality of Home Agents supporting Mobile IP, a method of processing a registration request from a Mobile Node that has roamed to a Foreign Agent supporting Mobile IP, comprising: receiving a registration request addressed to a virtual Home Agent address associated with the plurality of Home Agents; sending the registration request to a second one of the plurality of Home Agents such that the second one of the plurality of Home Agents creates a binding between the Mobile Node and the Foreign Agent; creating a temporary binding by the first one of the plurality of Home Agents between the Mobile Node and the Foreign Agent; receiving a registration reply from the second one of the plurality of Home Agents; updating the temporary binding by the first one of the plurality of Home Agents to create a permanent binding when the registration reply is received from the second one of the plurality of Home Agents; and sending the registration reply to the Foreign Agent identified in the temporary binding.