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| Criterion |  Engineering Kanban |  DevOps Blameless Postmortem |  DevOps Game Day |  Operations Learning 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. | 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. | After a project phase with mixed results, the method makes learning from the individual case reusable. It connects events, decisions, and systemic conditions into robust insights. |
Complexitydifferent | Medium | Medium | High | Medium |
Timedifferent | Ongoing | 30-90 min | Halber Tag | 1-3 h |
Participantsdifferent | 2-12 | 3-12 | 5-20 | 3-10 |
Formatdifferent | Workshop + async | Workshop + async | Workshop | Workshop |
Outputdifferent | Kanban board, WIP policies, Flow metrics | Postmortem Doc, Action Items, Timeline | Simulation Notes, Gaps List, Updated Runbooks | Learning Review Notes, System Factors, Improvement Actions |
Tagsno overlap | FlowVisual managementDelivery | Site Reliability EngineeringIncidentLearningReliability | ResilienceOperationsIncident | LearningRetrospectiveIncidentOperations |