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| Criterion |  DevOps Game Day |  Operations Visual Management |  DevOps Blameless Postmortem |  Operations After-Action 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. | With high tempo and many parallel topics, the method makes status, deviations, and priorities visible at a glance. It reduces search effort and prevents what matters from getting lost in daily work. | 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. | 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. |
Complexitydifferent | High | Low | Medium | Low |
Timedifferent | Halber Tag | Ongoing | 30-90 min | 20-45 min |
Participantsdifferent | 5-20 | 1-20 | 3-12 | 3-12 |
Formatdifferent | Workshop | Workshop + async | Workshop + async | Workshop + async |
Outputdifferent | Simulation Notes, Gaps List, Updated Runbooks | Visual Board, Status Indicators, Exception Cues | Postmortem Doc, Action Items, Timeline | Lessons learned, Action items, Event summary |
Tagsno overlap | ResilienceOperationsIncident | SignalsOperationsVisual management | Site Reliability EngineeringIncidentLearningReliability | LearningOperationsImprovement |