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10.1. Example: NextGen SSD

An SSD shows, for a particular course of events within a use case, the external actors that interact directly with the system, the system (as a black box), and the system events that the actors generate (see Figure 10.2). Time proceeds downward, and the ordering of events should follow their order in the scenario.

Figure 10.2. SSD for a Process Sale scenario.



  

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