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| Criterion |  Architecture arc42 |  Decision Making Delphi Method |  Architecture C4 Model |  Architecture Architecture Communication Canvas |
|---|---|---|---|---|
Purposedifferent | 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. | 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. | 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 | Low | High | Low | Medium |
Timedifferent | 1-2 Tage | 1-4 Wochen | 1-4 h | 60-120 min |
Participantsdifferent | 1-4 | 6-30 Experten | 1-5 | 2-8 |
Formatdifferent | Workshop + async | Async | Workshop + async | Workshop + async |
Outputdifferent | Architecture Document, Context View, Runtime View, Deployment View | Expert Forecast, Consensus Range, Assumption Notes | Context Diagram, Container Diagram, Component Diagram | Communication Canvas, Stakeholder Messages, Architecture Communication Plan |
Tagsno overlap | ArchitectureDocumentationCommunication | ForecastingExpertsDecisionStrategy | ArchitectureCommunicationVisualization | ArchitectureCommunicationStakeholdersCanvas |