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| Criterion |  Agile NoEstimates |  Architecture C4 Model |  Decision Making Delphi Method |  Architecture arc42 |
|---|---|---|---|---|
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. | When knowledge is distributed and direct dominance should be avoided, groups quickly fall under the sway of their opinion leaders. The Delphi Method gathers assessments iteratively and gradually brings expert judgments closer together. | 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. |
Complexitydifferent | Medium | Low | High | Low |
Timedifferent | laufend | 1-4 h | 1-4 Wochen | 1-2 Tage |
Participantsdifferent | 2-12 | 1-5 | 6-30 Experten | 1-4 |
Formatdifferent | Workshop + async | Workshop + async | Async | Workshop + async |
Outputdifferent | Throughput Data, Flow Forecast, Slicing Rules | Context Diagram, Container Diagram, Component Diagram | Expert Forecast, Consensus Range, Assumption Notes | Architecture Document, Context View, Runtime View, Deployment View |
Tagsno overlap | EstimationForecastingFlow | ArchitectureCommunicationVisualization | ForecastingExpertsDecisionStrategy | ArchitectureDocumentationCommunication |