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Remote Authentication Dial-In User Service (RADIUS) ... RADIUS is an AAA (authentication, authorization, and accounting) protocol that manages network access.
The H-AAA is similar to the HLR in voice. The H-AAA stores user profile information, responds to authentication requests, and collects accounting information. Visited AAA (V-AAA): The AAA server in the visited network from which a roamer is receiving service. The V-AAA in the serving network communicates with the H-AAA in a roamer's home network.
Diameter is an authentication, authorization, and accounting (AAA) protocol for computer networks. It evolved from the earlier RADIUS protocol. It belongs to the application layer protocols in the Internet protocol suite.
RadSec is a protocol for transporting RADIUS datagrams over TCP and TLS. The RADIUS protocol is a widely deployed authentication and authorization protocol. The supplementary RADIUS Accounting specification [1] also provides accounting mechanisms, thus delivering a full AAA protocol solution. However, RADIUS has two substantial shortcomings.
Remote Authentication Dial-In User Service (RADIUS) is a full AAA protocol commonly used by ISPs. Credentials are mostly username-password combination based, and it uses NAS and UDP protocol for transport. [7]
While Routing and Remote Access Service (RRAS) security is sufficient for small networks, larger companies often need a dedicated infrastructure for authentication. RADIUS is a standard for dedicated authentication servers. Windows 2000 Server and Windows Server 2003 include the Internet Authentication Service (IAS), an implementation of RADIUS ...