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| Criterion |  Operations Visual Management |  DevOps Incident Timeline Analysis |  Agile 4Ls Retrospective |  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. | When a sprint should not only be assessed but also learned from, it captures experience in clear learning categories. It records what worked, what's missing, and what should run differently next time. | 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 | 45–75 min | 30-90 min |
Participantsdifferent | 1-20 | 3-10 | Team members involved | 3-12 |
Formatdifferent | Workshop + async | Workshop + async | Workshop | Workshop + async |
Outputdifferent | Visual Board, Status Indicators, Exception Cues | Incident Timeline, Evidence Log, Delay Analysis, Improvement Actions | 4Ls Board, Learning Themes, Improvement Actions | Postmortem Doc, Action Items, Timeline |
Tagsno overlap | SignalsOperationsVisual management | IncidentTimelineSite Reliability Engineering | RetrospectiveLearningReflectionTeam | Site Reliability EngineeringIncidentLearningReliability |