Patent ID: 7746876

Claim:
A method in a communication system for routing a data packet originating from a moving network node in a moving network via a first mobile router of the moving network to a home agent in a home network of the moving network, wherein the first mobile router has the ability to access at least one first external access through which at least one first external access one tunnel each is set up to a first home agent of the first mobile router and wherein the moving network has at least one second mobile router, and wherein the at least one second mobile router has ability to access at least one second external access, through which at least one second external access one tunnel each is set up to a second home agent of the at least one second mobile router, and wherein each mobile router in the moving network has information regarding the at least one first and the at least one second external accesses in the moving network, the method comprising the steps of: receiving, at the first mobile router, a data packet from a moving network node; selecting, in the first mobile router, one of the at least one first or second external accesses for routing the data packet to the first or second home agent based on information in the data packet and on the information regarding the at least one first and the at least one second external accesses; and routing the data packet from the first mobile router to the first or second home agent via the tunnel set up through the selected external access.