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| Criterion |  Architecture arc42 |  Architecture C4 Model |  Decision Making Red Teaming |  Decision Making Assumption Surfacing |
|---|---|---|---|---|
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. | 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 strategic decisions with high reach, agreement and gut feeling are often not enough. Red teaming brings deliberate opposition into the situation and tests where a plan breaks under real counterarguments. | Plans often contain assumptions that were never openly stated and remain dangerous precisely because of that. Assumption Surfacing makes these silent premises visible and prioritizes which of them carry the initiative or could sink it. |
Complexitydifferent | Low | Low | High | Low |
Timedifferent | 1-2 Tage | 1-4 h | 1-4 h | 45-90 min |
Participantsdifferent | 1-4 | 1-5 | 3-8 | 2-8 |
Formatdifferent | Workshop + async | Workshop + async | Workshop | Workshop + async |
Outputdifferent | Architecture Document, Context View, Runtime View, Deployment View | Context Diagram, Container Diagram, Component Diagram | Challenge Findings, Risk Register, Mitigation Plan | Assumption List, Critical Assumptions, Learning Plan |
Tagsno overlap | ArchitectureDocumentationCommunication | ArchitectureCommunicationVisualization | RiskDecisionSensemaking | AssumptionsRiskDecisionDiscovery |