The users must register or identify themselves before using services offered by the system.
Characteristics: Common. Some blueprints are basic, whereas others are advanced.
Keywords: Password, PIN code, user authorization, user identification, user identity.
Login and Logout: Standalone blueprint consists of two use cases. The first use case,
Login/Logout, models the login and the logout procedures; that is, it models how a user is to register as well as deregister as a current user. The utilization of the other use cases in the system is independent of the ...