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Design It! by Michael Keeling

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Activity 37Scenario Walkthrough

Describe step-by-step how the architecture addresses a specific quality attribute scenario. Scenario walkthroughs can be used any time but are most applicable early in the life of the software system, before the system’s behavior can be observed directly.

A scenario walkthrough is like telling a story about the architecture. Pick a quality attribute scenario and describe what the system would do in response to the scenario stimulus. As you walk through the various elements in your design, show how the quality attribute is promoted (or not) by the system.

Benefits

  • Assess the architecture design early, even while it’s only on paper.
  • Identify different concerns in the architecture.
  • Reason about how the architecture will ...

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