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| Criterion |  Architecture C4 Model |  Operations Change Analysis |  Facilitation 3-Circle Venn Diagram |  Facilitation Stakeholder 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. | For a deviation after a change, the method isolates the influence of the altered condition. It narrows down which differences are relevant and which are just accompanying noise. | When three perspectives matter at the same time, a Three-Circle Venn Diagram shows the overlaps and remainders precisely. It makes visible where shared effect arises and where only a partial perspective applies. | When an initiative depends on many people, interests, and power dynamics, Stakeholder Mapping systematically orders the environment. It shows who influences, who is affected, and where relationship management or safeguarding matters first. |
Complexitydifferent | Low | Medium | Low | Low |
Timedifferent | 1-4 h | 45-120 min | 15-45 min | 60–90 min |
Participantsdifferent | 1-5 | 2-6 | 2-8 | 2-8 |
Formatsame | Workshop + async | Workshop + async | Workshop + async | Workshop + async |
Outputdifferent | Context Diagram, Container Diagram, Component Diagram | Change Matrix, Cause Hypotheses, Validation Questions, Action List | Venn Diagram, Overlap Notes, Differentiators | Stakeholder Map, Engagement Plan, Risk Notes |
Tagsno overlap | ArchitectureCommunicationVisualization | ChangeRoot causeTroubleshootingComparison | ComparisonFacilitationAlignment | StakeholdersAlignmentFacilitationChange |