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| Criterion |  Architecture C4 Model |  Architecture arc42 |  Product Strategy KPI Tree |  Engineering Goal Question Metric |
|---|---|---|---|---|
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. | 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 metrics across the organization drift apart, it arranges drivers and effects under one shared logic. It connects customer value, product logic, and decision priorities. The result is captured as a KPI tree and owner list. | 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. |
Complexitydifferent | Low | Low | Medium | Medium |
Timedifferent | 1-4 h | 1-2 Tage | 90-180 min initial, dann laufend | 90-180 min |
Participantsdifferent | 1-5 | 1-4 | 3-8 | 3-6 |
Formatdifferent | Workshop + async | Workshop + async | Workshop + async | Workshop |
Outputdifferent | Context Diagram, Container Diagram, Component Diagram | Architecture Document, Context View, Runtime View, Deployment View | KPI Tree, Owner List | GQM Table, Metric Profiles |
Tagsno overlap | ArchitectureCommunicationVisualization | ArchitectureDocumentationCommunication | MetricsStrategyAlignmentMeasurement | MetricsMeasurementEngineeringAlignment |