Patent ID: 7430174

Claim:
A method of transmitting a data packet on a communication path from a first communication node to a second communication node in a mobile network, where the second communication node is connected to the data network through at least one intermediary mobile router, the method comprising the steps of: the second communication node determining a care-of route including a list of addresses of the at least one intermediary mobile router between said data network and said second communication node; the second communication node sending a route message to the first communication node without any first communication node explicit request for said route message being received by the said second communication node from the first communication node, wherein said route message includes the care-of route; the first communication node generating a preferred communication path in response to said care-of route received from said second communication node; and the first communication node transmitting said at least one data packet from said first communication node to said second communication node via said preferred communication path.