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| Criterion |  Architecture C4 Model |  Agile NoEstimates |  Decision Making Three-Point Estimation |  Decision Making PERT Estimation |
|---|---|---|---|---|
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 estimating slows a team down more than it helps, it shifts the focus to flow, small slices, and real lead time. It sorts work by value, risk, and delivery ability. The result is captured as Throughput Data, Flow Forecast, and Slicing Rules. | A single estimate for effort, time, or risk often looks too smooth for the real uncertainty behind it. It separates options, evaluation criteria, and open risks. The result is captured as a Three-Point Estimate, Risk Range, and Assumption Notes. | On complex initiatives, a plain average tends to understate just how uncertain the outcome really is. It separates options, evaluation criteria, and open risks. The result is captured as a PERT Estimate, Expected Value, and Risk Notes. |
Complexitydifferent | Low | Medium | Medium | Medium |
Timedifferent | 1-4 h | laufend | 10-30 min je Item | 15-45 min |
Participantsdifferent | 1-5 | 2-12 | 1-8 | 1-8 |
Formatsame | Workshop + async | Workshop + async | Workshop + async | Workshop + async |
Outputdifferent | Context Diagram, Container Diagram, Component Diagram | Throughput Data, Flow Forecast, Slicing Rules | Three-Point Estimate, Risk Range, Assumption Notes | PERT Estimate, Expected Value, Risk Notes |
Tagsno overlap | ArchitectureCommunicationVisualization | EstimationForecastingFlow | EstimationUncertaintyForecasting | EstimationUncertaintyRisk |