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| Criterion |  Facilitation Open Space Technology |  DevOps Blameless Postmortem |  Operations A3 Problem Solving |  DevOps Incident Command |
|---|---|---|---|---|
Purposedifferent | When a complex topic does not yet have a fitting agenda, Open Space Technology hands topic ownership back to the participants. The format suits questions that only move forward when real interest determines the order. | 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 complex deviation with several people involved, the method bundles problem, analysis, and decision onto one page. It creates a shared working space where causes, countermeasures, and follow-up fit together. | During an acute incident with several people involved, the method creates a clear leadership and communication structure. It reduces chaos when fast coordination and clean situational awareness are both needed at once. |
Complexitydifferent | High | Medium | Medium | Medium |
Timedifferent | 0.5-2 Tage | 30-90 min | 45-90 min | As needed |
Participantsdifferent | 20-500+ | 3-12 | 2-5 | 4-15 |
Formatdifferent | Workshop | Workshop + async | Workshop + async | Workshop + async |
Outputdifferent | Session Marketplace, Proceedings, Action Topics | Postmortem Doc, Action Items, Timeline | A3 Report, Action Plan, Root Cause Analysis | Incident Log, Action Tracker, Stakeholder Updates |
Tagsno overlap | FacilitationLarge groupAutonomy | Site Reliability EngineeringIncidentLearningReliability | LeanProblem solvingCoachingOperations | IncidentOperationsReliability |