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| Criterion |  Operations Visual Management |  DevOps Incident Timeline Analysis |  Operations After-Action Review |  DevOps Blameless Postmortem |
|---|---|---|---|---|
Purposedifferent | With high tempo and many parallel topics, the method makes status, deviations, and priorities visible at a glance. It reduces search effort and prevents what matters from getting lost in daily work. | 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. | 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. |
Complexitydifferent | Low | Medium | Low | Medium |
Timedifferent | Ongoing | 60-180 min | 20-45 min | 30-90 min |
Participantsdifferent | 1-20 | 3-10 | 3-12 | 3-12 |
Formatsame | Workshop + async | Workshop + async | Workshop + async | Workshop + async |
Outputdifferent | Visual Board, Status Indicators, Exception Cues | Incident Timeline, Evidence Log, Delay Analysis, Improvement Actions | Lessons learned, Action items, Event summary | Postmortem Doc, Action Items, Timeline |
Tagsno overlap | SignalsOperationsVisual management | IncidentTimelineSite Reliability Engineering | LearningOperationsImprovement | Site Reliability EngineeringIncidentLearningReliability |