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| Criterion |  Operations Runbook |  Systems Thinking Soft Systems Methodology |  DevOps Blameless Postmortem |
|---|---|---|---|
Purposedifferent | For recurring operational tasks or incidents, the method keeps solid action logic ready. It reduces uncertainty when time pressure, role changes, or rare situations demand fast access. | 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. |
Complexitydifferent | Low | High | Medium |
Timedifferent | 20-60 min | 0.5-3 Tage | 30-90 min |
Participantsdifferent | 1-4 | 5-15 | 3-12 |
Formatdifferent | Async | Workshop | Workshop + async |
Outputdifferent | Runbook, Checklist, Escalation Path | Rich Picture, Root Definitions, Conceptual Models, Change Agenda | Postmortem Doc, Action Items, Timeline |
Tagsno overlap | OperationsReliabilityDocumentation | Soft systemsComplexitySensemakingSystems thinking | Site Reliability EngineeringIncidentLearningReliability |
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