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| Criterion |  Systems Thinking VUCA Scan |  Systems Thinking Soft Systems Methodology |  Architecture arc42 |  Architecture C4 Model |
|---|---|---|---|---|
Purposedifferent | The VUCA Scan helps read difficult situations more precisely. Instead of treating unclarity as generally complicated, the method separates fast change, missing knowledge, systemic entanglement, and ambiguous interpretation. | Soft Systems Methodology helps explore unclear or politically charged problems systematically. Instead of forcing a quick answer, the method builds a shared understanding of perspectives and room for action. | 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. |
Complexitydifferent | Low | High | Low | Low |
Timedifferent | 30-90 min | 0.5-3 Tage | 1-2 Tage | 1-4 h |
Participantsdifferent | 1-10 | 5-15 | 1-4 | 1-5 |
Formatdifferent | Workshop + async | Workshop | Workshop + async | Workshop + async |
Outputdifferent | VUCA Map, Response Options, Signal and Learning Plan | Rich Picture, Root Definitions, Conceptual Models, Change Agenda | Architecture Document, Context View, Runtime View, Deployment View | Context Diagram, Container Diagram, Component Diagram |
Tagsno overlap | SensemakingUncertaintyComplexityStrategyForesight | Soft systemsComplexitySensemakingSystems thinking | ArchitectureDocumentationCommunication | ArchitectureCommunicationVisualization |