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| Criterion |  Operations After-Action Review |  Architecture arc42 |  DevOps Incident Command |  Operations Runbook |
|---|---|---|---|---|
Purposedifferent | 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. | arc42 structures architecture knowledge so teams can document system, decisions, and risks consistently. The template builds a living understanding of the architecture instead of scattered notes. | 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. | For recurring operational tasks or incidents, the method keeps solid action logic ready. It reduces uncertainty when time pressure, role changes, or rare situations demand fast access. |
Complexitydifferent | Low | Low | Medium | Low |
Timedifferent | 20-45 min | 1-2 Tage | As needed | 20-60 min |
Participantsdifferent | 3-12 | 1-4 | 4-15 | 1-4 |
Formatdifferent | Workshop + async | Workshop + async | Workshop + async | Async |
Outputdifferent | Lessons learned, Action items, Event summary | Architecture Document, Context View, Runtime View, Deployment View | Incident Log, Action Tracker, Stakeholder Updates | Runbook, Checklist, Escalation Path |
Tagsno overlap | LearningOperationsImprovement | ArchitectureDocumentationCommunication | IncidentOperationsReliability | OperationsReliabilityDocumentation |