DIAMETER

DIAMETER is used in VoIP Gatekeepers and Call Agents. It has been created to define common formats for security messages. It is considered by some to be a successor to RADIUS. The DIAMETER protocol defines these formats in a header, followed by objects. The objects are known as Attribute-Value-Pair (AVP). The Internet draft for DIAMETER is [CALH98a].[4]

[4] [CALH98a] Calhoun, Pat R. DIAMETER Framework Document, Draft-calhoun-diameter-framework-01.txt.

Figure 11-17 shows the architecture for DIAMETER. It consists of a base protocol and the Resource Management and Accounting Management extensions. The base protocol performs authentication and privacy services, version negotiation, feature discovery, and the overall coding and decoding of ...

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