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.
7.Result
7.3.Startsession API SUCCESS
StartSession API is SUCCESS, and its pre-requisite are Initialization API and
StartConnection API is SUCCESS; later UnInitialization is called which is SUCCESS.
Figure 7: StartSession API SUCCESS