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| Criterion |  DevOps Blameless Postmortem |  Systems Thinking Leverage Points |  Systems Thinking Future Reality Tree |  DevOps Incident Command |
|---|---|---|---|---|
Purposedifferent | 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. | Leverage Points show exactly where interventions in a system produce a disproportionate effect. It draws relationships, patterns, and feedback loops. The result is captured as a leverage map and action strategy. | A Future Reality Tree shows how desired actions are meant to lead to a better system state. The method checks whether a path of change holds together logically before time flows into implementation. | 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 | Medium | High | High | Medium |
Timedifferent | 30-90 min | Half day | 2-4 h | As needed |
Participantsdifferent | 3-12 | 3-12 | 3-8 | 4-15 |
Formatdifferent | Workshop + async | Workshop | Workshop | Workshop + async |
Outputdifferent | Postmortem Doc, Action Items, Timeline | Leverage Map, Action Strategy | Future Reality Tree, Negative Branches, Assumption List, Improved Injections | Incident Log, Action Tracker, Stakeholder Updates |
Tagsno overlap | Site Reliability EngineeringIncidentLearningReliability | Systems thinkingChangeStrategy | Theory of ConstraintsSystems thinkingChange | IncidentOperationsReliability |