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| Criterion |  Operations A3 Problem Solving |  Systems Thinking Future Reality Tree |  DevOps Incident Command |  DevOps Game Day |
|---|---|---|---|---|
Purposedifferent | For a complex deviation with several people involved, the method bundles problem, analysis, and decision onto one page. It creates a shared working space where causes, countermeasures, and follow-up fit together. | 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. | 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. |
Complexitydifferent | Medium | High | Medium | High |
Timedifferent | 45-90 min | 2-4 h | As needed | Halber Tag |
Participantsdifferent | 2-5 | 3-8 | 4-15 | 5-20 |
Formatdifferent | Workshop + async | Workshop | Workshop + async | Workshop |
Outputdifferent | A3 Report, Action Plan, Root Cause Analysis | Future Reality Tree, Negative Branches, Assumption List, Improved Injections | Incident Log, Action Tracker, Stakeholder Updates | Simulation Notes, Gaps List, Updated Runbooks |
Tagsno overlap | LeanProblem solvingCoachingOperations | Theory of ConstraintsSystems thinkingChange | IncidentOperationsReliability | ResilienceOperationsIncident |