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| Criterion |  Innovation Double Diamond |  Architecture arc42 |  Decision Making Cynefin Workshop |  Architecture C4 Model |
|---|---|---|---|---|
Purposedifferent | For complex problems with a fuzzy situation, the method cleanly separates search space and decision. It first creates breadth in understanding and then focus in elaboration. This brings open questions, problem definition, and solution path into a traceable movement. | 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 problems are unclear, chaotic, or only seemingly familiar, standard recipes fall short. A Cynefin Workshop sorts situations by the nature of their problem and connects them with matching action logic. | 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 | Medium | Low | Medium | Low |
Timedifferent | Wochen bis Monate | 1-2 Tage | 60-180 min | 1-4 h |
Participantsdifferent | 3-12 | 1-4 | 4-20 | 1-5 |
Formatdifferent | Workshop + async | Workshop + async | Workshop | Workshop + async |
Outputdifferent | Problem Statement, Solution Options, Prototypes, Deliverables per Phase | Architecture Document, Context View, Runtime View, Deployment View | Cynefin Map, Domain-specific Actions, Sensemaking Notes | Context Diagram, Container Diagram, Component Diagram |
Tagsno overlap | ProcessDivergenceInnovation | ArchitectureDocumentationCommunication | ComplexitySensemakingDecision | ArchitectureCommunicationVisualization |