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| Criterion |  Engineering Failure Scenario Analysis |  Architecture Architecture Decision Record |  Architecture Software Architecture Canvas |
|---|---|---|---|
Purposedifferent | In critical processes, it is not enough to plan only for the normal case. Failure Scenario Analysis looks at the path into failure and shows which failures, chains, and control gaps cause the most damage. | An ADR permanently records an architecture decision with context, trade-offs, and consequence. It creates continuity for later changes because the decision path stays traceable. | The Software Architecture Canvas reduces a system to the most important architecture decisions, constraints, and interfaces. It is useful when teams need a resilient overall picture quickly. |
Complexitydifferent | Medium | Low | Low |
Timedifferent | 1-3 h | 15-45 min | 1-2 h |
Participantsdifferent | 3-8 | 1-3 | 3-10 |
Formatdifferent | Workshop | Async | Workshop |
Outputdifferent | Failure Scenarios, Risk Notes, Control Gaps, Test and Response Actions | ADR File, Decision Log, Rationale | Architecture Canvas, Goals, Constraints, Quality Attributes |
Tagsno overlap | FailureResilienceRisk | ArchitectureRationaleDocumentationGovernance | CanvasArchitectureAlignmentWorkshop |
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