Patent ID: 8750200

Claim:
A method, comprising: receiving an advertisement by a network device from each of two or more Home Agents, the advertisement including a first set of information associated with a corresponding one of the two or more Home Agents, each advertisement being in a first protocol; obtaining by the network device the first set of information associated with a corresponding one of the two or more Home Agents from each advertisement; ascertaining a distance to each of the two or more Home Agents, wherein the distance to each of the two or more Home Agents includes a hop count; composing by the network device a router advertisement including a second set of information associated with at least one of the two or more Home Agents from which advertisements have been received, the router advertisement being in a second protocol; and sending by the network device the router advertisement; wherein the first set of information associated with each of the two or more Home Agents includes an IP address of the corresponding one of the two or more Home Agents, and wherein the second set of information associated with at least one of the Home Agents includes an IP address of the corresponding one of the two or more Home Agents and indicates the distance to the at least one of the Home Agents.