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| Criterion |  Operations Fault Tree Analysis |  Operations MORT Analysis |  Facilitation Barcamp |  DevOps Blameless Postmortem |
|---|---|---|---|---|
Purposedifferent | For a critical top event with several possible triggers, the method logically models failure paths. It makes visible which combinations of conditions can lead to damage. | 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. | When many people can contribute knowledge and the flow should stay open, Barcamp provides a framework for self-organized sessions. The format channels energy without defining the content too narrowly in advance. | 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. |
Complexitydifferent | High | High | Medium | Medium |
Timedifferent | 2-6 h | Mehrere Tage bis Wochen | Halber Tag bis 2 Tage | 30-90 min |
Participantsdifferent | 3-8 | 2-6 | 15-200 | 3-12 |
Formatdifferent | Workshop + async | Workshop + async | Workshop | Workshop + async |
Outputdifferent | Fault Tree, Critical Paths, Cause Hypotheses, Control Actions | MORT Worksheets, Findings per Branch, Corrective Actions, Systemic Recommendations | Session Board, Session Notes, Community Learnings | Postmortem Doc, Action Items, Timeline |
Tagsno overlap | RiskRoot causeSafety | Root causeSafetySystemicIncident | FacilitationLarge groupLearning | Site Reliability EngineeringIncidentLearningReliability |