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| Criterion |  Architecture arc42 |  Decision Making DACI |  Engineering Goal Question Metric |  Decision Making Decision Rights 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. | 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. | Helps clarify technical problems, hypotheses, and next steps in concrete terms. It breaks a technical problem into testable parts. The result is captured as a GQM table and metric briefs. | 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 | Low | Low | Medium | Medium |
Timedifferent | 1-2 Tage | 30-60 min | 90-180 min | 90-180 min |
Participantsdifferent | 1-4 | 2-10 | 3-6 | 4-12 |
Formatdifferent | Workshop + async | Workshop + async | Workshop | Workshop |
Outputdifferent | Architecture Document, Context View, Runtime View, Deployment View | DACI Matrix, Decision Owner, Decision Log | GQM Table, Metric Profiles | Decision Rights Matrix, Agreement |
Tagsno overlap | ArchitectureDocumentationCommunication | DecisionRolesGovernanceAlignment | MetricsMeasurementEngineeringAlignment | DecisionGovernanceAlignmentResponsibility |