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| Criterion |  Architecture C4 Model |  UX Research Empathy Mapping |  Architecture Quality Attribute Workshop |  Architecture arc42 |
|---|---|---|---|---|
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. | When a lot is assumed about a target group but little is seen jointly, empathy mapping makes knowledge and gaps directly comparable. The picture also shows which assumptions hold up and where evidence is missing. | 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. | 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. |
Complexitydifferent | Low | Low | Medium | Low |
Timedifferent | 1-4 h | 30–60 min | 2-4 h | 1-2 Tage |
Participantsdifferent | 1-5 | 4-8 | 5-15 | 1-4 |
Formatdifferent | Workshop + async | Workshop | Workshop | Workshop + async |
Outputdifferent | Context Diagram, Container Diagram, Component Diagram | Empathy Map, Assumptions List, Research Gaps | Quality Scenarios, Priority List, Architecture Concerns | Architecture Document, Context View, Runtime View, Deployment View |
Tagsno overlap | ArchitectureCommunicationVisualization | SynthesisQualitativeWorkshop | RequirementsArchitectureWorkshop | ArchitectureDocumentationCommunication |