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| Criterion |  Architecture C4 Model |  Architecture arc42 |  Facilitation Consensus Workshop |  Facilitation Alignment Mapping |
|---|---|---|---|---|
Purposedifferent | 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. | 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 a group needs a solid decision without outvoting individual factions, a Consensus Workshop creates a negotiable common ground. It makes agreement, reservations, and open tensions discussable at the same time. | When several people work toward one goal but hold different mental maps, Alignment Mapping makes the discrepancies visible. It arranges goals, assumptions, and priorities so shared direction becomes verifiable. |
Complexitydifferent | Low | Low | Medium | Medium |
Timedifferent | 1-4 h | 1-2 Tage | 1-3 h | 1-2 h |
Participantsdifferent | 1-5 | 1-4 | 5-30 | 4-12 |
Formatdifferent | Workshop + async | Workshop + async | Workshop | Workshop |
Outputdifferent | Context Diagram, Container Diagram, Component Diagram | Architecture Document, Context View, Runtime View, Deployment View | Consensus Clusters, Theme Titles, Priority Areas | Alignment Map, Open Issues, Decision Questions |
Tagsno overlap | ArchitectureCommunicationVisualization | ArchitectureDocumentationCommunication | FacilitationConsensusWorkshopAlignment | AlignmentStakeholdersStrategyFacilitation |