19.2. Protocol components
Diameter is a peer-to-peer protocol, since any Diameter node can initiate a request. Diameter has three different types of network nodes: clients, servers and agents. Clients are generally the edge devices of a network that perform access control. A Diameter agent provides either relay, proxy, redirect or translation services. A Diameter server handles the AAA requests for a particular domain, or realm. Diameter messages are routed according to the Network Access Identifier (NAI) [RFC2486] of a particular user.
Get The IMS: IP Multimedia Concepts And Services, Second Edition now with the O’Reilly learning platform.
O’Reilly members experience books, live events, courses curated by job role, and more from O’Reilly and nearly 200 top publishers.
