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| Criterion |  Decision Making Delphi Method |  Architecture C4 Model |  Decision Making Decision Tree |  Architecture Architecture Communication Canvas |
|---|---|---|---|---|
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. | 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. | For decisions with follow-on paths and dependencies, a linear comparison is often not enough. A Decision Tree shows how options branch under conditions and which consequences hang on each branch. | The Architecture Communication Canvas plans architecture communication so the right people receive the right message. The method turns technical complexity into deliberate communication design. |
Complexitydifferent | High | Low | Medium | Medium |
Timedifferent | 1-4 Wochen | 1-4 h | 30-90 min | 60-120 min |
Participantsdifferent | 6-30 Experten | 1-5 | 1-6 | 2-8 |
Formatdifferent | Async | Workshop + async | Workshop + async | Workshop + async |
Outputdifferent | Expert Forecast, Consensus Range, Assumption Notes | Context Diagram, Container Diagram, Component Diagram | Decision Tree, Option Map, Assumption List | Communication Canvas, Stakeholder Messages, Architecture Communication Plan |
Tagsno overlap | ForecastingExpertsDecisionStrategy | ArchitectureCommunicationVisualization | DecisionTreeOptions | ArchitectureCommunicationStakeholdersCanvas |