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| Criterion |  Engineering Failure Scenario Analysis |  Architecture Architecture Decision Record |  Decision Making Pre-Mortem |
|---|---|---|---|
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. | In early initiatives with many uncertainties, planning quickly turns too optimistic. A pre-mortem makes the expected failure visible in advance and sharpens the view of causes, gaps, and countermeasures. |
Complexitydifferent | Medium | Low | Low |
Timedifferent | 1-3 h | 15-45 min | 20–45 min |
Participantsdifferent | 3-8 | 1-3 | Small cross-functional group |
Formatdifferent | Workshop | Async | Workshop |
Outputdifferent | Failure Scenarios, Risk Notes, Control Gaps, Test and Response Actions | ADR File, Decision Log, Rationale | Risk list, Mitigation plan, Assumption log |
Tagsno overlap | FailureResilienceRisk | ArchitectureRationaleDocumentationGovernance | RiskDecisionFailurePlanning |
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