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| Criterion |  Operations After-Action Review |  DevOps Game Day |  DevOps ChatOps |
|---|---|---|---|
Purposedifferent | 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. | 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. | For operational work in a distributed team, the method links communication with direct system control. It records decisions right where the signal, the context, and the execution come together. |
Complexitydifferent | Low | High | Medium |
Timedifferent | 20-45 min | Halber Tag | Ongoing |
Participantsdifferent | 3-12 | 5-20 | 2-20 |
Formatdifferent | Workshop + async | Workshop | Workshop + async |
Outputdifferent | Lessons learned, Action items, Event summary | Simulation Notes, Gaps List, Updated Runbooks | Chat Transcript, Action Log, Automations |
Tagsno overlap | LearningOperationsImprovement | ResilienceOperationsIncident | CollaborationEngineeringIncident |
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Methods with strong topical overlap with the current selection, not yet in the comparison.
