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| Criterion |  Facilitation Lean Coffee |  Architecture arc42 |  Architecture C4 Model |  Facilitation Fishbowl Discussion |
|---|---|---|---|---|
Purposedifferent | When a group without a fixed agenda needs to get into useful conversations quickly, Lean Coffee structures the start around interests rather than a presentation. The group itself negotiates which topics get time first and which wait. | 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. | When a controversial topic needs depth and discipline at the same time, Fishbowl Discussion makes the structure of the conversation transparent. The format keeps the core small enough for real dialogue and open enough for controlled turnover. |
Complexitydifferent | Low | Low | Low | Medium |
Timedifferent | 30-90 min | 1-2 Tage | 1-4 h | 45-90 min |
Participantsdifferent | 3-20 | 1-4 | 1-5 | 8-80 |
Formatdifferent | Workshop | Workshop + async | Workshop + async | Workshop |
Outputdifferent | Prioritized Topics, Discussion Notes, Action Items | Architecture Document, Context View, Runtime View, Deployment View | Context Diagram, Container Diagram, Component Diagram | Discussion Insights, Observed Tensions, Follow-up Questions |
Tagsno overlap | FacilitationAutonomyDialogue | ArchitectureDocumentationCommunication | ArchitectureCommunicationVisualization | FacilitationDialogueLarge group |