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| Criterion |  DevOps Incident Command |  Systems Thinking Evaporating Cloud |  DevOps Blameless Postmortem |  Systems Thinking Future Reality Tree |
|---|---|---|---|---|
Purposedifferent | 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. | The method makes visible why two seemingly incompatible demands arise and which assumption must be tested to resolve the conflict. | 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. | 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. |
Complexitydifferent | Medium | Medium | Medium | High |
Timedifferent | As needed | 60-120 min | 30-90 min | 2-4 h |
Participantsdifferent | 4-15 | 2-8 | 3-12 | 3-8 |
Formatdifferent | Workshop + async | Workshop | Workshop + async | Workshop |
Outputdifferent | Incident Log, Action Tracker, Stakeholder Updates | Conflict Cloud, Assumption List, Breakthrough Ideas, Next Experiments | Postmortem Doc, Action Items, Timeline | Future Reality Tree, Negative Branches, Assumption List, Improved Injections |
Tagsno overlap | IncidentOperationsReliability | Theory of ConstraintsAssumptionsSystems thinking | Site Reliability EngineeringIncidentLearningReliability | Theory of ConstraintsSystems thinkingChange |