Model-Based Systems Engineering with GENESYS

Learning Objectives

• Examine Use Case as an alternative to define: • System boundary • Potential interfaces • Preliminary physical architecture components • Preliminary functionality or functional requirements • Relate to threads • Continue to mitigate concerns and risks

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Entities Associated with Use Cases

Component “Actor”

describes (described by)

involves (participates in)

extended by extends)

UseCase

includes (included in)

decomposed by (decomposes)

elicits (elicited by)

elaborated by elaborates)

refined by (refines)

Function ProgramActivity TestActivity

Requirement

428