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| Criterion |  Architecture arc42 |  Facilitation Nominal Group Technique |  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. | When loud voices could dominate a round, Nominal Group Technique protects individual thinking time from group effects. It collects ideas separately first and only then enables shared weighting. | 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 | 60-120 min | 1-4 h |
Participantsdifferent | 1-4 | 5-12 | 1-5 |
Formatdifferent | Workshop + async | Workshop | Workshop + async |
Outputdifferent | Architecture Document, Context View, Runtime View, Deployment View | Ranked Ideas, Clarified Options, Group Priority | Context Diagram, Container Diagram, Component Diagram |
Tagsno overlap | ArchitectureDocumentationCommunication | FacilitationPrioritizationVotingInclusion | ArchitectureCommunicationVisualization |
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