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| Criterion |  Facilitation 1-2-4-All |  Architecture C4 Model |  Facilitation Nominal Group Technique |  Architecture arc42 |
|---|---|---|---|---|
Purposedifferent | When many people in a group too rarely get to speak, 1-2-4-All distributes thinking time more fairly. The format builds participation step by step and makes quiet or still-unformed thoughts usable faster. | 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. | When loud voices could dominate a round, Nominal Group Technique protects individual thinking time from group effects. It collects ideas separately first and only then enables shared weighting. | 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 | Low | Low | Medium | Low |
Timedifferent | 10-20 min | 1-4 h | 60-120 min | 1-2 Tage |
Participantsdifferent | 4-100+ | 1-5 | 5-12 | 1-4 |
Formatdifferent | Workshop | Workshop + async | Workshop | Workshop + async |
Outputdifferent | Idea List, Shared Insights, Emergent Themes | Context Diagram, Container Diagram, Component Diagram | Ranked Ideas, Clarified Options, Group Priority | Architecture Document, Context View, Runtime View, Deployment View |
Tagsno overlap | FacilitationInclusionIdeation | ArchitectureCommunicationVisualization | FacilitationPrioritizationVotingInclusion | ArchitectureDocumentationCommunication |