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| Criterion |  Operations After-Action Review |  Architecture C4 Model |
|---|---|---|
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. | The C4 Model makes a system legible across several resolution levels, from context down to code. It suits situations where different audiences need to understand the same architecture from different altitudes. |
Complexitysame | Low | Low |
Timedifferent | 20-45 min | 1-4 h |
Participantsdifferent | 3-12 | 1-5 |
Formatsame | Workshop + async | Workshop + async |
Outputdifferent | Lessons learned, Action items, Event summary | Context Diagram, Container Diagram, Component Diagram |
Tagsno overlap | LearningOperationsImprovement | ArchitectureCommunicationVisualization |
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Methods with strong topical overlap with the current selection, not yet in the comparison.
