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| Criterion |  Architecture arc42 |  Decision Making RAPID |  Architecture C4 Model |
|---|---|---|---|
Purposedifferent | 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. | In complex management decisions, clarity is often missing about who recommends, who agrees, and who makes the decision. RAPID creates this assignment and stabilizes decisions across several levels. | 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. |
Complexitydifferent | Low | Medium | Low |
Timedifferent | 1-2 Tage | 45-90 min | 1-4 h |
Participantsdifferent | 1-4 | 3-12 | 1-5 |
Formatsame | Workshop + async | Workshop + async | Workshop + async |
Outputdifferent | Architecture Document, Context View, Runtime View, Deployment View | RAPID Role Map, Recommendation, Decision Log | Context Diagram, Container Diagram, Component Diagram |
Tagsno overlap | ArchitectureDocumentationCommunication | DecisionRolesGovernance | ArchitectureCommunicationVisualization |
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