• The name of each subsystem is unique and descriptive of the collective responsibilities of the subsystem.
    • The subsystem description accurately reflects the collective responsibilities of the subsystem.
    • The subsystem, through its interfaces, presents a single, logically consistent set of services.
    • The subsystem is the responsibility of a single individual or team.
    • The subsystem realizes at least one interface
    • The interfaces realized by the subsystem are clearly identified and the dependencies are correctly documented.
    • The subsystem's dependencies on other model elements is restricted to interfaces and packages to which the subsystem has a compilation dependency
    • The information needed to effectively use the subsystem is documented in the subsystem facade.
    • Other than the interfaces realized by the subsystem, the subsystem's contents are completely encapsulated.
    • Each operation on an interface realized by the subsystem is utilized in some collaboration.
    • Each operation on an interface realized by the subsystem is realized by a model element (or a collaboration of model elements) within the subsystem.
    • Subsystem partitioning done in a logically consistent way across the entire model?
    • The contents of the subsystem are fully encapsulated behind its interfaces
 

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Rational Unified Process