1. Problem Scope Objective To demonstrate/determine clearly the need for an edge protocol that allows a user to interact with an agent in the network for AAA. The agent in turn may interact with network AAA protocols, such as, Diameter/RADIUS Applicability Scenarios NAS/WLAN Mobility deals with (creating tokens to speed up handoffs and establish new SA) when MN moves from one access router to another rapidly GPRS Provide a generic framework for the registration process that is independent of the layer-2 specific schemes and so on….

2. Problem Scope Contd.. Important Features Perform URP only when required Interacts with an URP agent in the network Discovery is to be worked out…. URP agent interacts with the network AAA if required Setup Security Association (SA) with the network Support multiple authentication schemes

3. WLAN BS AAA URP Internet DSLAM

4. WLAN BS AAA URP Internet DSLAM Local Subnet Apps Server

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