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| Criterion |  Decision Making Wideband Delphi |  Delivery Monte Carlo Forecasting |  Architecture arc42 |  Architecture C4 Model |
|---|---|---|---|---|
Purposedifferent | A single opinion rarely holds up for planning when the future is genuinely uncertain. It separates options, evaluation criteria, and open risks. The result is captured as an Estimate Range, Assumption Log, and Expert Consensus Notes. | Helps clarify scope, sequence, and delivery flow in concrete terms. It makes work, boundaries, and order steerable. The result is captured as Forecast Percentiles, Throughput Dataset, and Risk Communication. | 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. | 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 | High | High | Low | Low |
Timedifferent | 1-4 h or multiple rounds | 30-90 min Setup, danach laufend | 1-2 Tage | 1-4 h |
Participantsdifferent | 4-12 Experten | 1-8 | 1-4 | 1-5 |
Formatsame | Workshop + async | Workshop + async | Workshop + async | Workshop + async |
Outputdifferent | Estimate Range, Assumption Log, Expert Consensus Notes | Forecast Percentiles, Throughput Dataset, Risk Communication | Architecture Document, Context View, Runtime View, Deployment View | Context Diagram, Container Diagram, Component Diagram |
Tagsno overlap | EstimationExpertsForecasting | ForecastingFlowDelivery | ArchitectureDocumentationCommunication | ArchitectureCommunicationVisualization |