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| Criterion |  Operations A3 Problem Solving |  DevOps Incident Command |  Delivery Value Stream Mapping |  DevOps Blameless Postmortem |
|---|---|---|---|---|
Purposedifferent | 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. | During an acute incident with several people involved, the method creates a clear leadership and communication structure. It reduces chaos when fast coordination and clean situational awareness are both needed at once. | When delivery work dissolves into wait times, handoffs, and hidden effort, Value Stream Mapping makes the actual flow visible. The method exposes bottlenecks, idle time, and feedback loops so lead time and improvement levers become tangible. | 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. |
Complexitysame | Medium | Medium | Medium | Medium |
Timedifferent | 45-90 min | As needed | 1-3 h | 30-90 min |
Participantsdifferent | 2-5 | 4-15 | 4-10 | 3-12 |
Formatdifferent | Workshop + async | Workshop + async | Workshop | Workshop + async |
Outputdifferent | A3 Report, Action Plan, Root Cause Analysis | Incident Log, Action Tracker, Stakeholder Updates | Current-state map, Future-state map, Bottleneck list | Postmortem Doc, Action Items, Timeline |
Tagsno overlap | LeanProblem solvingCoachingOperations | IncidentOperationsReliability | LeanFlowWasteDelivery | Site Reliability EngineeringIncidentLearningReliability |