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| Criterion |  DevOps Incident Command |  Architecture arc42 |  Operations After-Action Review |  Architecture Architecture Communication Canvas |
|---|---|---|---|---|
Purposedifferent | 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. | 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. | 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. | The Architecture Communication Canvas plans architecture communication so the right people receive the right message. The method turns technical complexity into deliberate communication design. |
Complexitydifferent | Medium | Low | Low | Medium |
Timedifferent | As needed | 1-2 Tage | 20-45 min | 60-120 min |
Participantsdifferent | 4-15 | 1-4 | 3-12 | 2-8 |
Formatsame | Workshop + async | Workshop + async | Workshop + async | Workshop + async |
Outputdifferent | Incident Log, Action Tracker, Stakeholder Updates | Architecture Document, Context View, Runtime View, Deployment View | Lessons learned, Action items, Event summary | Communication Canvas, Stakeholder Messages, Architecture Communication Plan |
Tagsno overlap | IncidentOperationsReliability | ArchitectureDocumentationCommunication | LearningOperationsImprovement | ArchitectureCommunicationStakeholdersCanvas |