Indistinct Boundary

Problem

How do you establish the boundary between the system and its environment when you're not sure what the scope of the system is?

Context

• TheUseCaseModel
• FollowYourScript?

Solution

Establish a general policy for the purpose and scope of the use case model.

Related Patterns

• CastingCall?
• ExternalEntity?

Author

Steve Adolph

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I would draw the boundary around a small achievable piece of functionality and wait till people complain that it's in the wrong place. --JohnFarrell