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| Criterion |  Engineering Failure Scenario Analysis |  Architecture Architecture Decision Record |  Operations MORT Analysis |
|---|---|---|---|
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. | For a safety-relevant event or a system with high protection requirements, the method examines where controls failed. It exposes both technical and organizational gaps. |
Complexitydifferent | Medium | Low | High |
Timedifferent | 1-3 h | 15-45 min | Mehrere Tage bis Wochen |
Participantsdifferent | 3-8 | 1-3 | 2-6 |
Formatdifferent | Workshop | Async | Workshop + async |
Outputdifferent | Failure Scenarios, Risk Notes, Control Gaps, Test and Response Actions | ADR File, Decision Log, Rationale | MORT Worksheets, Findings per Branch, Corrective Actions, Systemic Recommendations |
Tagsno overlap | FailureResilienceRisk | ArchitectureRationaleDocumentationGovernance | Root causeSafetySystemicIncident |
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