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| Criterion |  Operations After-Action Review |  DevOps ChatOps |  Operations Process Mapping |  DevOps Game Day |
|---|---|---|---|---|
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. | 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. | With a confusing workflow that has many handoffs, the method makes the actual process visible. It shows where work is passed on, delayed, or duplicated, so improvement targets the right spots. | 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 | Low | Medium | Medium | High |
Timedifferent | 20-45 min | Ongoing | 1-3 h | Halber Tag |
Participantsdifferent | 3-12 | 2-20 | 3-10 | 5-20 |
Formatdifferent | Workshop + async | Workshop + async | Workshop | Workshop |
Outputdifferent | Lessons learned, Action items, Event summary | Chat Transcript, Action Log, Automations | Process Map, Handoff List, Improvement Backlog | Simulation Notes, Gaps List, Updated Runbooks |
Tagsno overlap | LearningOperationsImprovement | CollaborationEngineeringIncident | ProcessOperationsImprovement | ResilienceOperationsIncident |