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| Criterion |  Systems Thinking Soft Systems Methodology |  DevOps Blameless Postmortem |  Operations After-Action Review |  DevOps Incident Command |
|---|---|---|---|---|
Purposedifferent | Soft Systems Methodology helps explore unclear or politically charged problems systematically. Instead of forcing a quick answer, the method builds a shared understanding of perspectives and room for action. | 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. | After missions or project phases with unclear outcomes, the method makes visible what actually happened and what can be learned from it. It separates course, effect, and causes so experience turns into solid improvement. | 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 | Low | Medium |
Timedifferent | 0.5-3 Tage | 30-90 min | 20-45 min | As needed |
Participantsdifferent | 5-15 | 3-12 | 3-12 | 4-15 |
Formatdifferent | Workshop | Workshop + async | Workshop + async | Workshop + async |
Outputdifferent | Rich Picture, Root Definitions, Conceptual Models, Change Agenda | Postmortem Doc, Action Items, Timeline | Lessons learned, Action items, Event summary | Incident Log, Action Tracker, Stakeholder Updates |
Tagsno overlap | Soft systemsComplexitySensemakingSystems thinking | Site Reliability EngineeringIncidentLearningReliability | LearningOperationsImprovement | IncidentOperationsReliability |