Business Use Case Vs System Use Case
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System use cases are then developed because now the software engineers have a clear idea of the business objectives and the system use cases are meant to document what the components of the solution are.
Business use case vs system use case. System use cases author. It is about an actor achieving a goal with the computer system. A use case is written as a series of interactions between the user and the system similar to a call and response where the focus is on how the user will use the system.
22 feb 2009 abstract use cases are very widely used as the basic concept for specifying requirements of commercial information systems. Database servers brand names technologies will not be modeled in the use case. A business use case is one in which the design scope is business operations.
We are proposing here a new diagram type which we call theprocess use case support diagram or pucs diagram to provide an immediate visual representation of this support. System use cases should focus on the part of the process to be implemented by the system in. Existence of secondary actor is solution dependent and not mandatory to exist in all the solutions.
In a use case driven business modeling project you develop two views of the business. It is about technology. A system use case is one in which the design scope is the computer system to be designed.
A realistic example let s look at an example that allows us to focus on the differences. The business use case often contains no mention of technology since it is concerned with how the business operates. Business use cases form part of the user requirements specification and define the scope of user acceptance testing.
In many ways use cases are better than a traditional requirement because they emphasize user oriented context. The business use case itself presents an external view of the business which defines what is essential to perform for the business to deliver the desired results to the actor. A system use case is one in which the design scope is the computer system to be designed.
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