Patent ID: 7848280
Filing Date: 2010-12-07
Classification: H04W

Abstract:
1. A method of tunneling a data packet between a mobile node (MN) and a home agent (HA), the data packet comprising a payload and a first header, the method comprising: sending a binding update message from the MN towards the HA, the binding update comprising a home address of the MN, a care-of address of the MN, an IP address of a correspondent node (CN) and an indication that tunnel overhead reduction is desired; receiving, at the MN, a binding acknowledgement message from the HA, the binding acknowledgement message comprising a tunnel identifier (TID) value corresponding to the CN, the TID value being assigned by the HA; and receiving from the HA at the MN a modified data packet comprising: using the TID value at the MN to identify the CN.