Short Questions for System Sequence Diagram (SSD)

  • 1 What is a system sequence diagram?


    SSD is a picture that shows, for one particular scenario of a use case, the events that external actors generate, their order, and inter-system events.

    The emphasis of the diagram is events that cross the system boundary from actors to systems.

  • 2 What are the objectives of the system sequence diagram?


    • Identify system events.
    • Illustrates input and output events related to the systems
    • Create system sequence diagrams for use case scenarios.

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