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| Criterion |  Domain Modeling Bounded Context Canvas |  Operations MORT Analysis |  DevOps Blameless Postmortem |  Operations 5 Whys |
|---|---|---|---|---|
Purposedifferent | When a business context is still loosely outlined, it shapes language, responsibility, and integration space. It clarifies what belongs together and where a boundary needs to hold. | 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. | After an incident with damage or a near miss, the method creates a sober field for learning without assigning blame. It directs attention to the course of events, conditions, and effective countermeasures. | For a single, hard-to-explain deviation, the method exposes the causal chain behind the visible symptom. It keeps the cause open until a controllable condition emerges instead of a mere description. |
Complexitydifferent | Medium | High | Medium | Low |
Timedifferent | 1-3 h | Mehrere Tage bis Wochen | 30-90 min | 15-30 min |
Participantsdifferent | 3-8 | 2-6 | 3-12 | 2-6 |
Formatdifferent | Workshop + async | Workshop + async | Workshop + async | Workshop |
Outputdifferent | Context Canvas, Glossary, Integration Notes | MORT Worksheets, Findings per Branch, Corrective Actions, Systemic Recommendations | Postmortem Doc, Action Items, Timeline | Root cause notes, Countermeasures |
Tagsno overlap | Domain-Driven DesignBoundariesModeling | Root causeSafetySystemicIncident | Site Reliability EngineeringIncidentLearningReliability | Root causeIncidentLeanProblem solving |