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| Criterion |  Architecture C4 Model |  Architecture Quality Attribute Workshop |  UX Research Affinity Diagramming |
|---|---|---|---|
Purposedifferent | 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. | A Quality Attribute Workshop translates quality requirements into concrete scenarios and architecture impulses. The method brings product, engineering, and operations to the same view of desired properties. | When research notes, feedback, or observations sit unconnected side by side, affinity diagramming sorts the raw material into solid themes. Many individual points turn into patterns that make decisions and opportunities clearer. |
Complexitydifferent | Low | Medium | Low |
Timedifferent | 1-4 h | 2-4 h | 45–90 min |
Participantsdifferent | 1-5 | 5-15 | 3-10 |
Formatdifferent | Workshop + async | Workshop | Workshop |
Outputdifferent | Context Diagram, Container Diagram, Component Diagram | Quality Scenarios, Priority List, Architecture Concerns | Theme clusters, Insight statements, Opportunity areas |
Tagsno overlap | ArchitectureCommunicationVisualization | RequirementsArchitectureWorkshop | SynthesisQualitativeRoot cause |
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