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| Criterion |  Decision Making Wideband Delphi |  Architecture Architecture Communication Canvas |  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. | The Architecture Communication Canvas plans architecture communication so the right people receive the right message. The method turns technical complexity into deliberate communication design. | 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 | Medium | Low |
Timedifferent | 1-4 h or multiple rounds | 60-120 min | 1-4 h |
Participantsdifferent | 4-12 Experten | 2-8 | 1-5 |
Formatsame | Workshop + async | Workshop + async | Workshop + async |
Outputdifferent | Estimate Range, Assumption Log, Expert Consensus Notes | Communication Canvas, Stakeholder Messages, Architecture Communication Plan | Context Diagram, Container Diagram, Component Diagram |
Tagsno overlap | EstimationExpertsForecasting | ArchitectureCommunicationStakeholdersCanvas | ArchitectureCommunicationVisualization |
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