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| Criterion |  Engineering Kanban |  Operations ABC Analysis |  DevOps Blameless Postmortem |  Operations After-Action Review |
|---|---|---|---|---|
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. | With many similar objects of differing economic significance, the method prioritizes effort by effect. It separates what needs regular steering from what rarely needs attention. | 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 | Medium | Low | Medium | Low |
Timedifferent | Ongoing | 30-60 min | 30-90 min | 20-45 min |
Participantsdifferent | 2-12 | 1-5 | 3-12 | 3-12 |
Formatdifferent | Workshop + async | Async | Workshop + async | Workshop + async |
Outputdifferent | Kanban board, WIP policies, Flow metrics | ABC Classification, Focus Rules, Control List | Postmortem Doc, Action Items, Timeline | Lessons learned, Action items, Event summary |
Tagsno overlap | FlowVisual managementDelivery | PrioritizationOperationsPortfolio | Site Reliability EngineeringIncidentLearningReliability | LearningOperationsImprovement |