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Definitions IP Reachability Home Agent (IRHA): A home agent that is used for providing IP reachability for the mobile node. The corresponding home addresses is disclosed to potential correspondent nodes (e.g., by publishing the address in DNS). IP Reachability path: The path between mobile node and correspondent node if the mobile node uses bi-directional tunneling mode with the IRHA. Optimal path: The end-to-end path between mobile node and correspondent node, e.g., the path in MIPv6 Route Optimization mode Optimized path: A path between mobile node and correspondent node that is shorter than the IP reachability path, but may be longer than the optimal path. Optimized routing: Routing data packets over the optimized path Optimized Routing Home Agent (ORHA): A home agent that is used for providing optimized routing. |