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| Criterion |  Agile NoEstimates |  Architecture arc42 |  Agile Ideal Days |  Architecture C4 Model |
|---|---|---|---|---|
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. | 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 effort needs to be thought of as real working time, it offers a simple common denominator for comparison. It sorts work by value, risk, and delivery ability. The result is captured as Ideal Day Estimates, Assumption Notes, and Capacity Caveats. | 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. |
Complexitydifferent | Medium | Low | Low | Low |
Timedifferent | laufend | 1-2 Tage | 15-60 min | 1-4 h |
Participantsdifferent | 2-12 | 1-4 | 2-9 | 1-5 |
Formatsame | Workshop + async | Workshop + async | Workshop + async | Workshop + async |
Outputdifferent | Throughput Data, Flow Forecast, Slicing Rules | Architecture Document, Context View, Runtime View, Deployment View | Ideal Day Estimates, Assumption Notes, Capacity Caveats | Context Diagram, Container Diagram, Component Diagram |
Tagsno overlap | EstimationForecastingFlow | ArchitectureDocumentationCommunication | EstimationEffortAgile | ArchitectureCommunicationVisualization |