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| Criterion |  Facilitation Barcamp |  Operations Root Cause Tree Analysis |  DevOps Blameless Postmortem |  Operations Barrier Analysis |
|---|---|---|---|---|
Purposedifferent | 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 problem with several suspected causes, the method builds a causal structure instead of a mere list. It makes visible how causes connect and where the strongest points of leverage lie. | 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. |
Complexitysame | Medium | Medium | Medium | Medium |
Timedifferent | Halber Tag bis 2 Tage | 1-3 h | 30-90 min | 2-4 h |
Participantsdifferent | 15-200 | 2-8 | 3-12 | 2-6 |
Formatdifferent | Workshop | Workshop | Workshop + async | Workshop + async |
Outputdifferent | Session Board, Session Notes, Community Learnings | Cause Tree, Evidence Notes, Countermeasures | Postmortem Doc, Action Items, Timeline | Barrier Inventory, Failure Analysis per Barrier, Action Backlog |
Tagsno overlap | FacilitationLarge groupLearning | Root causeTreeIncidentQuality | Site Reliability EngineeringIncidentLearningReliability | Root causeSafetyIncident |