Diameter
Completion requirements
Read this article about the history of Diameter and why it was developed. What preceded Diameter as an authentication protocol? While you do not need to understand how Diameter authenticates, you should have a general idea of its authentication process.
6.Diameter Client API
6.4.Sendmessage API
SendMessage API is used to send the Diameter message packet in encoded form to
another Diameter Node (Diameter Server) in allotted Connection_ID and Session_ID; by
creating new transaction using Transaction_ID. Flow Diagram of this API is given in
Figure 4.