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| Criterion |  DevOps Game Day |  Decision Making OODA Loop |  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. | In dynamic situations, decisions become outdated faster than they can be prepared. The OODA Loop holds observing, orienting, deciding, and acting together as a recurring rhythm so reaction does not slide into inertia. | 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 | Medium | Medium | Low |
Timedifferent | Halber Tag | 15-60 min je Zyklus | 30-90 min | 20-45 min |
Participantsdifferent | 5-20 | 1-8 | 3-12 | 3-12 |
Formatdifferent | Workshop | Workshop + async | Workshop + async | Workshop + async |
Outputdifferent | Simulation Notes, Gaps List, Updated Runbooks | Situation Assessment, Decision Loop, Action Updates | Postmortem Doc, Action Items, Timeline | Lessons learned, Action items, Event summary |
Tagsno overlap | ResilienceOperationsIncident | DecisionChangeLearningStrategy | Site Reliability EngineeringIncidentLearningReliability | LearningOperationsImprovement |