Diameter Applications Design Guidelines

This RFC 7423 was published in 2014.


The Diameter base protocol provides facilities for protocol extensibility enabling the definition of new Diameter applications or modification of existing applications.
This document is a companion document to the Diameter base protocol that further explains and clarifies the rules to extend Diameter.
Furthermore, this document provides guidelines to Diameter application designers reusing/ defining Diameter applications or creating generic Diameter extensions.

RFC 7423 introduction

The Diameter base protocol [RFC6733] is intended to provide an Authentication, Authorization, and Accounting (AAA) framework for applications such as network access or IP mobility in both local and roaming situations.
This protocol provides the ability for Diameter peers to exchange messages carrying data in the form of Attribute- Value Pairs (AVPs).

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