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| Criterion |  DevOps Blameless Postmortem |  Operations Barrier Analysis |  Facilitation Barcamp |  Operations Family Tree Analysis |
|---|---|---|---|---|
Purposedifferent | 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 risk that can only be managed through multiple layers of protection, the method examines the effectiveness of each barrier. It shows where safeguards are missing, too weak, or fail under real conditions. | 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. | For a series of incidents with a similar pattern, the method arranges individual events as branches of a common origin. It makes visible which conditions keep recurring. |
Complexitysame | Medium | Medium | Medium | Medium |
Timedifferent | 30-90 min | 2-4 h | Halber Tag bis 2 Tage | 2-4 h |
Participantsdifferent | 3-12 | 2-6 | 15-200 | 2-6 |
Formatdifferent | Workshop + async | Workshop + async | Workshop | Workshop + async |
Outputdifferent | Postmortem Doc, Action Items, Timeline | Barrier Inventory, Failure Analysis per Barrier, Action Backlog | Session Board, Session Notes, Community Learnings | Family Tree Diagram, Pattern Notes, Systemic Measures |
Tagsno overlap | Site Reliability EngineeringIncidentLearningReliability | Root causeSafetyIncident | FacilitationLarge groupLearning | Root causePatternsIncidentSystemic |