Patent ID: 8699458
Filing Date: 2014-04-15
Classification: H04W

Abstract:
1. A method of managing communications with a mobile node, comprising: determining at a mobile-IP (MIP) foreign agent in communication with a mobile node that the mobile node is not registered with a preferred home agent; sending from the MIP foreign agent to the mobile node MIP session teardown request; receiving at the MIP foreign agent from the mobile node a data link layer teardown request; sending from the MIP foreign agent to the mobile node a rejection of the data link layer teardown request; receiving at the MIP foreign agent from the mobile node an acceptance of the MIP session teardown request; sending from the MIP foreign agent to the mobile node an agent advertisement message to trigger MIP registration by the mobile node; receiving at the MIP foreign agent from the mobile node a MIP registration request in response to the agent advertisement message; and sending the MIP registration to the preferred home agent to register the mobile node with the preferred home agent.