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| Criterion |  Agile NoEstimates |  Architecture C4 Model |  Decision Making PERT Estimation |
|---|---|---|---|
Purposedifferent | 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. | 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. | 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 | Medium | Low | Medium |
Timedifferent | laufend | 1-4 h | 15-45 min |
Participantsdifferent | 2-12 | 1-5 | 1-8 |
Formatsame | Workshop + async | Workshop + async | Workshop + async |
Outputdifferent | Throughput Data, Flow Forecast, Slicing Rules | Context Diagram, Container Diagram, Component Diagram | PERT Estimate, Expected Value, Risk Notes |
Tagsno overlap | EstimationForecastingFlow | ArchitectureCommunicationVisualization | EstimationUncertaintyRisk |
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