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| Criterion |  Systems Thinking Futures Wheel |  Architecture ATAM (Architecture Tradeoff Analysis Method) |  Architecture C4 Model |  Architecture arc42 |
|---|---|---|---|---|
Purposedifferent | The Futures Wheel helps explore the consequences of a decision, a trend, or a strategic move in a structured way. It makes visible which first, second, and third-order effects could arise from an event. | ATAM helps teams weigh architecture decisions when quality goals compete. The team considers business goals, stakeholder expectations, and technical decisions together. The evaluation shows which risks need further investigation. | 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. | 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. |
Complexitydifferent | Medium | High | Low | Low |
Timedifferent | 60-120 min | Several meetings plus preparation and analysis; total effort depends on scope | 1-4 h | 1-2 Tage |
Participantsdifferent | 3-10 | Evaluation team, architects, and relevant stakeholders | 1-5 | 1-4 |
Formatsame | Workshop + async | Workshop + async | Workshop + async | Workshop + async |
Outputdifferent | Futures Wheel, Consequence Chains, Strategic Signals | Prioritized quality scenarios in a utility tree, Architecture risks with reasoning and assumptions, Sensitivity and trade-off points, Findings report with open investigations | Context Diagram, Container Diagram, Component Diagram | Architecture Document, Context View, Runtime View, Deployment View |
Tagsno overlap | ForesightSystems thinkingSignals | ArchitectureQualityRiskTradeoffsStakeholders | ArchitectureCommunicationVisualization | ArchitectureDocumentationCommunication |