This document describes a way to extend Mobile IP Authentication Authorization and Accounting (AAA) signaling to enable a node to request from a network operator combinations of home and local service capabilities (when roaming) in an efficient and scalable manner. It also enables the home and foreign...http://www.google.de/patents/US6785256?utm_source=gb-gplus-sharePatent US6785256 - Method for extending mobile IP and AAA to enable integrated support for local access and roaming access connectivity
