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| Criterion |  Architecture arc42 |  Architecture C4 Model |  Facilitation Alignment Mapping |  Facilitation Stakeholder Mapping |
|---|---|---|---|---|
Purposedifferent | 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 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. | 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 | Low | Medium | Low |
Timedifferent | 1-2 Tage | 1-4 h | 1-2 h | 60–90 min |
Participantsdifferent | 1-4 | 1-5 | 4-12 | 2-8 |
Formatdifferent | Workshop + async | Workshop + async | Workshop | Workshop + async |
Outputdifferent | Architecture Document, Context View, Runtime View, Deployment View | Context Diagram, Container Diagram, Component Diagram | Alignment Map, Open Issues, Decision Questions | Stakeholder Map, Engagement Plan, Risk Notes |
Tagsno overlap | ArchitectureDocumentationCommunication | ArchitectureCommunicationVisualization | AlignmentStakeholdersStrategyFacilitation | StakeholdersAlignmentFacilitationChange |