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| Criterion |  Operations Visual Management |  DevOps Incident Timeline Analysis |  Operations A3 Problem Solving |  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. | For a complex deviation with several people involved, the method bundles problem, analysis, and decision onto one page. It creates a shared working space where causes, countermeasures, and follow-up fit together. | 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 | Medium | Medium |
Timedifferent | Ongoing | 60-180 min | 45-90 min | 30-90 min |
Participantsdifferent | 1-20 | 3-10 | 2-5 | 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 | A3 Report, Action Plan, Root Cause Analysis | Postmortem Doc, Action Items, Timeline |
Tagsno overlap | SignalsOperationsVisual management | IncidentTimelineSite Reliability Engineering | LeanProblem solvingCoachingOperations | Site Reliability EngineeringIncidentLearningReliability |