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| Criterion |  Agile ROAM Board |  Architecture C4 Model |  Architecture arc42 |  Architecture Architecture Decision Record |
|---|---|---|---|---|
Purposedifferent | When work needs to move between different states or columns, it makes that movement and its handoffs legible. It sorts work by value, risk, and delivery ability. The result is captured as a ROAM Board and an Owner List. | 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. | 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 | 20-40 min initial, dann laufend | 1-4 h | 1-2 Tage | 15-45 min |
Participantsdifferent | 3-15 | 1-5 | 1-4 | 1-3 |
Formatdifferent | Workshop + async | Workshop + async | Workshop + async | Async |
Outputdifferent | ROAM Board, Owner List | Context Diagram, Container Diagram, Component Diagram | Architecture Document, Context View, Runtime View, Deployment View | ADR File, Decision Log, Rationale |
Tagsno overlap | RiskAgileTrackingAlignment | ArchitectureCommunicationVisualization | ArchitectureDocumentationCommunication | ArchitectureRationaleDocumentationGovernance |