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| Criterion |  Operations Root Cause Analysis |  Architecture Architecture Decision Record |  Operations MORT Analysis |
|---|---|---|---|
Purposedifferent | When a problem keeps recurring and the cause stays unclear, the method exposes the underlying mechanism. It separates symptom, guess, and robust explanation from one another. | 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 | 1-4 h | 15-45 min | Mehrere Tage bis Wochen |
Participantsdifferent | 3-8 | 1-3 | 2-6 |
Formatdifferent | Workshop + async | Async | Workshop + async |
Outputdifferent | Problem Statement, Cause Hypotheses, Confirmed Causes, Action Plan | ADR File, Decision Log, Rationale | MORT Worksheets, Findings per Branch, Corrective Actions, Systemic Recommendations |
Tagsno overlap | Root causeProblem solvingQualityIncident | ArchitectureRationaleDocumentationGovernance | Root causeSafetySystemicIncident |
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