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| Criterion |  Decision Making Delphi Method |  Architecture arc42 |  Decision Making Force Field Analysis |  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. | 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. | In change initiatives, supporting and restraining forces sit at the table at the same time. Force Field Analysis makes these tensions explicit and shows where change can be pushed forward by strengthening or relieving. | 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 | Low | Low | Low |
Timedifferent | 1-4 Wochen | 1-2 Tage | 45-90 min | 1-4 h |
Participantsdifferent | 6-30 Experten | 1-4 | 3-12 | 1-5 |
Formatdifferent | Async | Workshop + async | Workshop | Workshop + async |
Outputdifferent | Expert Forecast, Consensus Range, Assumption Notes | Architecture Document, Context View, Runtime View, Deployment View | Force Field Map, Change Levers, Risk Notes | Context Diagram, Container Diagram, Component Diagram |
Tagsno overlap | ForecastingExpertsDecisionStrategy | ArchitectureDocumentationCommunication | ChangeDecisionStrategy | ArchitectureCommunicationVisualization |