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| Criterion |  Engineering Failure Scenario Analysis |  Architecture Architecture Decision Record |  Decision Making Assumption Surfacing |
|---|---|---|---|
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. | Plans often contain assumptions that were never openly stated and remain dangerous precisely because of that. Assumption Surfacing makes these silent premises visible and prioritizes which of them carry the initiative or could sink it. |
Complexitydifferent | Medium | Low | Low |
Timedifferent | 1-3 h | 15-45 min | 45-90 min |
Participantsdifferent | 3-8 | 1-3 | 2-8 |
Formatdifferent | Workshop | Async | Workshop + async |
Outputdifferent | Failure Scenarios, Risk Notes, Control Gaps, Test and Response Actions | ADR File, Decision Log, Rationale | Assumption List, Critical Assumptions, Learning Plan |
Tagsno overlap | FailureResilienceRisk | ArchitectureRationaleDocumentationGovernance | AssumptionsRiskDecisionDiscovery |
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