Patent ID: 8040845
Filing Date: 2011-10-18
Classification: H04W

Abstract:
1. A method of establishing a route between a mobile node (MN) and a correspondent node (CN) in a proxy mobile internet protocol (PMIP) network, the method comprising the steps of: sending from a local mobility anchor (LMA) towards the CN a home test init (HoTI) message comprising a home address (HoA) of the MN; sending from the LMA towards a media access gateway (MAG) a trigger; responsive to receiving the trigger, sending from the MAG towards the CN a care-of test init (CoTI) message comprising an address of the MAG; receiving at the LMA from the CN a home test (HoT) message comprising a home token; forwarding from the LMA towards the MAG the home token; receiving at the MAG the home token; receiving at the MAG from the CN a care-of test (CoT) message comprising a care-of token; combining at the MAG the home token and the care-of token to generate an authentication key; and sending from the MAG towards the CN a binding update (BU) message for binding the HoA and the address of the MAG, the BU message being signed with the authentication key.