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| Criterion |  DevOps ChatOps |  Agile Sprint Retrospective |  Operations After-Action Review |  DevOps Game Day |
|---|---|---|---|---|
Purposedifferent | 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. | When a sprint is over and friction shouldn't simply be carried forward, it opens the view onto collaboration and patterns. It creates space to see causes and changes 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. | 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 | Low | High |
Timedifferent | Ongoing | Up to 3 hours for a one-month Sprint; shorter Sprints are usually shorter | 20-45 min | Halber Tag |
Participantsdifferent | 2-20 | Scrum Team | 3-12 | 5-20 |
Formatdifferent | Workshop + async | Workshop | Workshop + async | Workshop |
Outputdifferent | Chat Transcript, Action Log, Automations | Improvement actions, Team agreements | Lessons learned, Action items, Event summary | Simulation Notes, Gaps List, Updated Runbooks |
Tagsno overlap | CollaborationEngineeringIncident | RetrospectiveImprovementLearning | LearningOperationsImprovement | ResilienceOperationsIncident |