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| Criterion |  Operations Bottleneck Analysis |  Engineering Kanban |  DevOps Blameless Postmortem |  DevOps Incident Timeline Analysis |
|---|---|---|---|---|
Purposedifferent | For a flow that backs up at one point, the method looks for the capacity limit with the greatest leverage. It explains why extra effort elsewhere barely improves throughput. | 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. | For an incident with an unclear sequence, the method makes the timeline precisely visible. It separates perception, reaction, and delay so cause and effect become more clearly readable. |
Complexitysame | Medium | Medium | Medium | Medium |
Timedifferent | 1-3 h | Ongoing | 30-90 min | 60-180 min |
Participantsdifferent | 3-8 | 2-12 | 3-12 | 3-10 |
Formatsame | Workshop + async | Workshop + async | Workshop + async | Workshop + async |
Outputdifferent | Bottleneck Map, Flow Metrics, Improvement Options, Follow-up Measures | Kanban board, WIP policies, Flow metrics | Postmortem Doc, Action Items, Timeline | Incident Timeline, Evidence Log, Delay Analysis, Improvement Actions |
Tagsno overlap | FlowMeasurementConstraints | FlowVisual managementDelivery | Site Reliability EngineeringIncidentLearningReliability | IncidentTimelineSite Reliability Engineering |