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| Criterion |  Operations A3 Problem Solving |  Operations After-Action Review |  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. | After missions or project phases with unclear outcomes, the method makes visible what actually happened and what can be learned from it. It separates course, effect, and causes so experience turns into solid improvement. | 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 | Low | Medium | High |
Timedifferent | 45-90 min | 20-45 min | As needed | Halber Tag |
Participantsdifferent | 2-5 | 3-12 | 4-15 | 5-20 |
Formatdifferent | Workshop + async | Workshop + async | Workshop + async | Workshop |
Outputdifferent | A3 Report, Action Plan, Root Cause Analysis | Lessons learned, Action items, Event summary | Incident Log, Action Tracker, Stakeholder Updates | Simulation Notes, Gaps List, Updated Runbooks |
Tags1 shared | LeanProblem solvingCoachingOperations | LearningOperationsImprovement | IncidentOperationsReliability | ResilienceOperationsIncident |