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| Criterion |  Architecture Software Architecture Canvas |  Operations Root Cause Analysis |  Operations MORT Analysis |
|---|---|---|---|
Purposedifferent | The Software Architecture Canvas reduces a system to the most important architecture decisions, constraints, and interfaces. It is useful when teams need a resilient overall picture quickly. | 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. | 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 | Medium | High |
Timedifferent | 1-2 h | 1-4 h | Mehrere Tage bis Wochen |
Participantsdifferent | 3-10 | 3-8 | 2-6 |
Formatdifferent | Workshop | Workshop + async | Workshop + async |
Outputdifferent | Architecture Canvas, Goals, Constraints, Quality Attributes | Problem Statement, Cause Hypotheses, Confirmed Causes, Action Plan | MORT Worksheets, Findings per Branch, Corrective Actions, Systemic Recommendations |
Tagsno overlap | CanvasArchitectureAlignmentWorkshop | Root causeProblem solvingQualityIncident | Root causeSafetySystemicIncident |
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