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| Criterion |  DevOps Game Day |  Systems Thinking Future Reality Tree |  DevOps Incident Command |  Operations Learning Review |
|---|---|---|---|---|
Purposedifferent | In preparing for rare incidents, the method tests response capability under controlled conditions. It shows where assumptions about stability, roles, and recovery are too optimistic. | 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. | 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 | High | Medium | Medium |
Timedifferent | Halber Tag | 2-4 h | As needed | 1-3 h |
Participantsdifferent | 5-20 | 3-8 | 4-15 | 3-10 |
Formatdifferent | Workshop | Workshop | Workshop + async | Workshop |
Outputdifferent | Simulation Notes, Gaps List, Updated Runbooks | Future Reality Tree, Negative Branches, Assumption List, Improved Injections | Incident Log, Action Tracker, Stakeholder Updates | Learning Review Notes, System Factors, Improvement Actions |
Tagsno overlap | ResilienceOperationsIncident | Theory of ConstraintsSystems thinkingChange | IncidentOperationsReliability | LearningRetrospectiveIncidentOperations |