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| Criterion |  Architecture Architecture Decision Record |  Operations Failure Mode and Effects Analysis |  Operations MORT Analysis |
|---|---|---|---|
Purposedifferent | 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 process, product, or service with noticeable failure risks, the method assesses possible failure modes in advance. It directs attention to combinations of occurrence, effect, and detectability. | 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 | Low | High | High |
Timedifferent | 15-45 min | 2-6 h | Mehrere Tage bis Wochen |
Participantsdifferent | 1-3 | 3-10 | 2-6 |
Formatdifferent | Async | Workshop | Workshop + async |
Outputdifferent | ADR File, Decision Log, Rationale | FMEA Table, Risk Priority, Mitigation Actions | MORT Worksheets, Findings per Branch, Corrective Actions, Systemic Recommendations |
Tagsno overlap | ArchitectureRationaleDocumentationGovernance | RiskQualityOperationsRoot cause | Root causeSafetySystemicIncident |
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