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| Criterion |  Engineering Failure Scenario Analysis |  Decision Making Risk Matrix |  Architecture Architecture Decision Record |
|---|---|---|---|
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. | When a project faces many possible disruptions, it quickly becomes unclear which risks deserve attention first. It separates options, evaluation criteria, and open risks. The result is captured as a Risk Matrix and a Top Risk List. | 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. |
Complexitydifferent | Medium | Low | Low |
Timedifferent | 1-3 h | 30-60 min | 15-45 min |
Participantsdifferent | 3-8 | 3-10 | 1-3 |
Formatdifferent | Workshop | Workshop + async | Async |
Outputdifferent | Failure Scenarios, Risk Notes, Control Gaps, Test and Response Actions | Risk Matrix, Top Risk List | ADR File, Decision Log, Rationale |
Tagsno overlap | FailureResilienceRisk | RiskDecisionPrioritizationAssessment | ArchitectureRationaleDocumentationGovernance |
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