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| Criterion |  Architecture arc42 |  Architecture C4 Model |  Product Strategy ICE Scoring |  Architecture Architecture Decision Record |
|---|---|---|---|---|
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 ideas need sorting quickly, it condenses impact, confidence, and effort into one compact score. It connects customer value, product logic, and decision priorities. The result is captured as an ICE table and top-ideas list. | An ADR permanently records an architecture decision with context, trade-offs, and consequence. It creates continuity for later changes because the decision path stays traceable. |
Complexitysame | Low | Low | Low | Low |
Timedifferent | 1-2 Tage | 1-4 h | 30-60 min | 15-45 min |
Participantsdifferent | 1-4 | 1-5 | 2-8 | 1-3 |
Formatdifferent | Workshop + async | Workshop + async | Workshop + async | Async |
Outputdifferent | Architecture Document, Context View, Runtime View, Deployment View | Context Diagram, Container Diagram, Component Diagram | ICE Table, Top Idea List | ADR File, Decision Log, Rationale |
Tagsno overlap | ArchitectureDocumentationCommunication | ArchitectureCommunicationVisualization | PrioritizationScoringGrowthDecision | ArchitectureRationaleDocumentationGovernance |