2.5.5 Perform the Sign-In Process
Use case for server discovery, section 2.5.1.
Use case for registration and authentication, section 2.5.2.
Use case for performing client bootstrap, section 2.5.3.
Use case for getting the address location, section 2.5.4.
The protocol client is now signed on to the protocol server and is ready to initiate or receive communication.