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| Criterion |  Engineering Kanban |  Operations After-Action Review |  DevOps Blameless Postmortem |  DevOps Game Day |
|---|---|---|---|---|
Purposedifferent | When work sits in too many parallel streams, throughput suffers and no one sees the bottlenecks. Kanban makes the flow of work visible and limits overload so a system becomes calmer and more predictable. | 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. | 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. | 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 | Medium | High |
Timedifferent | Ongoing | 20-45 min | 30-90 min | Halber Tag |
Participantsdifferent | 2-12 | 3-12 | 3-12 | 5-20 |
Formatdifferent | Workshop + async | Workshop + async | Workshop + async | Workshop |
Outputdifferent | Kanban board, WIP policies, Flow metrics | Lessons learned, Action items, Event summary | Postmortem Doc, Action Items, Timeline | Simulation Notes, Gaps List, Updated Runbooks |
Tagsno overlap | FlowVisual managementDelivery | LearningOperationsImprovement | Site Reliability EngineeringIncidentLearningReliability | ResilienceOperationsIncident |