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| Criterion |  Architecture Quality Attribute Workshop |  Architecture C4 Model |  Decision Making DACI |  Decision Making Decision Rights Mapping |
|---|---|---|---|---|
Purposedifferent | 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. | 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. | In cross-functional decisions, responsibilities quickly blur between approval, influence, and execution. DACI arranges these roles so decision pressure, contribution, and information stay cleanly separated. | In organizations with many stakeholders, it often blurs who actually decides and who is merely consulted. It separates options, evaluation criteria, and open risks. The result is captured as a Decision Rights matrix and an agreement. |
Complexitydifferent | Medium | Low | Low | Medium |
Timedifferent | 2-4 h | 1-4 h | 30-60 min | 90-180 min |
Participantsdifferent | 5-15 | 1-5 | 2-10 | 4-12 |
Formatdifferent | Workshop | Workshop + async | Workshop + async | Workshop |
Outputdifferent | Quality Scenarios, Priority List, Architecture Concerns | Context Diagram, Container Diagram, Component Diagram | DACI Matrix, Decision Owner, Decision Log | Decision Rights Matrix, Agreement |
Tagsno overlap | RequirementsArchitectureWorkshop | ArchitectureCommunicationVisualization | DecisionRolesGovernanceAlignment | DecisionGovernanceAlignmentResponsibility |