Diameter协议-rfc3588 Diameter Base Protocol The Diameter base protocol is intended to provide an Authentication, Authorization and Accounting (AAA) framework for applications such as network access or IP mobility. Diameter is also intended to work in
Diameter协议族包括基础协议（Diameter Base Protocol）和各种应用协议。本文介绍的基础协议提供了作为一个AAA协议的最低需求，是Diameter网络节点都必须实现的功能，包括节点间能力的协商、Diameter消息的接收及转发、计费信息的实时传输等。应用协议则充分利用基础协议提供的消息传送机制，规范相关节点的功能以及其特有的消息内容，来实现应用业务的AAA。基础协议可以作为一个计费协议单独使用，但一般情况下需与某个应用一起使用。
The Diameter base protocol is intended to provide an Authentication, Authorization and Accounting (AAA) framework for applications such as network access or IP mobility. Diameter is also intended to work in both local Authentication, Authorization &
