August 1999
Intermediate to advanced
328 pages
8h 50m
English
Content preview from Voice Over IPBecome an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month,
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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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