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| Criterion |  Architecture arc42 |  Architecture C4 Model |  Facilitation Expectation Mapping |
|---|---|---|---|
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. | 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. | When roles, interfaces, or projects fail because of differing expectations, Expectation Mapping surfaces these differences. It shows what each side takes for granted and where the pictures diverge. |
Complexitysame | Low | Low | Low |
Timedifferent | 1-2 Tage | 1-4 h | 45-90 min |
Participantsdifferent | 1-4 | 1-5 | 3-12 |
Formatdifferent | Workshop + async | Workshop + async | Workshop |
Outputdifferent | Architecture Document, Context View, Runtime View, Deployment View | Context Diagram, Container Diagram, Component Diagram | Expectation Map, Alignment Notes, Agreements |
Tagsno overlap | ArchitectureDocumentationCommunication | ArchitectureCommunicationVisualization | AlignmentStakeholdersTeam |
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