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| Criterion |  Decision Making Delphi Method |  Delivery Monte Carlo Forecasting |  Architecture arc42 |  Architecture C4 Model |
|---|---|---|---|---|
Purposedifferent | 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. | 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 Wochen | 30-90 min Setup, danach laufend | 1-2 Tage | 1-4 h |
Participantsdifferent | 6-30 Experten | 1-8 | 1-4 | 1-5 |
Formatdifferent | Async | Workshop + async | Workshop + async | Workshop + async |
Outputdifferent | Expert Forecast, Consensus Range, Assumption Notes | Forecast Percentiles, Throughput Dataset, Risk Communication | Architecture Document, Context View, Runtime View, Deployment View | Context Diagram, Container Diagram, Component Diagram |
Tagsno overlap | ForecastingExpertsDecisionStrategy | ForecastingFlowDelivery | ArchitectureDocumentationCommunication | ArchitectureCommunicationVisualization |