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| Criterion |  Architecture C4 Model |  Decision Making Decision Tree |  Facilitation Consensus Workshop |  Architecture Software Architecture Canvas |
|---|---|---|---|---|
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. | For decisions with follow-on paths and dependencies, a linear comparison is often not enough. A Decision Tree shows how options branch under conditions and which consequences hang on each branch. | 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. | The Software Architecture Canvas reduces a system to the most important architecture decisions, constraints, and interfaces. It is useful when teams need a resilient overall picture quickly. |
Complexitydifferent | Low | Medium | Medium | Low |
Timedifferent | 1-4 h | 30-90 min | 1-3 h | 1-2 h |
Participantsdifferent | 1-5 | 1-6 | 5-30 | 3-10 |
Formatdifferent | Workshop + async | Workshop + async | Workshop | Workshop |
Outputdifferent | Context Diagram, Container Diagram, Component Diagram | Decision Tree, Option Map, Assumption List | Consensus Clusters, Theme Titles, Priority Areas | Architecture Canvas, Goals, Constraints, Quality Attributes |
Tagsno overlap | ArchitectureCommunicationVisualization | DecisionTreeOptions | FacilitationConsensusWorkshopAlignment | CanvasArchitectureAlignmentWorkshop |