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| Criterion |  Systems Thinking Soft Systems Methodology |  DevOps Incident Timeline Analysis |  DevOps Blameless Postmortem |  Operations Learning Review |
|---|---|---|---|---|
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. | For an incident with an unclear sequence, the method makes the timeline precisely visible. It separates perception, reaction, and delay so cause and effect become more clearly readable. | 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 a project phase with mixed results, the method makes learning from the individual case reusable. It connects events, decisions, and systemic conditions into robust insights. |
Complexitydifferent | High | Medium | Medium | Medium |
Timedifferent | 0.5-3 Tage | 60-180 min | 30-90 min | 1-3 h |
Participantsdifferent | 5-15 | 3-10 | 3-12 | 3-10 |
Formatdifferent | Workshop | Workshop + async | Workshop + async | Workshop |
Outputdifferent | Rich Picture, Root Definitions, Conceptual Models, Change Agenda | Incident Timeline, Evidence Log, Delay Analysis, Improvement Actions | Postmortem Doc, Action Items, Timeline | Learning Review Notes, System Factors, Improvement Actions |
Tagsno overlap | Soft systemsComplexitySensemakingSystems thinking | IncidentTimelineSite Reliability Engineering | Site Reliability EngineeringIncidentLearningReliability | LearningRetrospectiveIncidentOperations |