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| Criterion |  DevOps Game Day |  Systems Thinking Future Reality Tree |  Operations Gemba Walk |  DevOps Incident Command |
|---|---|---|---|---|
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. | When there is uncertainty about the real course of a process, the method brings observation to the place where work happens. It combines perception, follow-up questions, and process knowledge so decisions rest on actual workflows instead of assumptions. | 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 | High | High | Low | Medium |
Timedifferent | Halber Tag | 2-4 h | 30-120 min | As needed |
Participantsdifferent | 5-20 | 3-8 | 2-6 | 4-15 |
Formatdifferent | Workshop | Workshop | Workshop | Workshop + async |
Outputdifferent | Simulation Notes, Gaps List, Updated Runbooks | Future Reality Tree, Negative Branches, Assumption List, Improved Injections | Observation Notes, Improvement Ideas | Incident Log, Action Tracker, Stakeholder Updates |
Tagsno overlap | ResilienceOperationsIncident | Theory of ConstraintsSystems thinkingChange | LeanObservationProcessOperations | IncidentOperationsReliability |