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| Criterion |  Agile ROAM Board |  Architecture C4 Model |  Architecture Architecture Decision Record |  Delivery RAID Log |
|---|---|---|---|---|
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. | 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. | Helps clarify scope, sequence, and delivery flow in concrete terms. It makes work, boundaries, and order steerable. The result is captured as a RAID Log and a source for status reporting. |
Complexitysame | Low | Low | Low | Low |
Timedifferent | 20-40 min initial, dann laufend | 1-4 h | 15-45 min | 30 min Setup, dann laufend |
Participantsdifferent | 3-15 | 1-5 | 1-3 | 1-3 maintaining, briefing for everyone |
Formatdifferent | Workshop + async | Workshop + async | Async | Async |
Outputdifferent | ROAM Board, Owner List | Context Diagram, Container Diagram, Component Diagram | ADR File, Decision Log, Rationale | RAID Log, Status Report Source |
Tagsno overlap | RiskAgileTrackingAlignment | ArchitectureCommunicationVisualization | ArchitectureRationaleDocumentationGovernance | RiskTrackingStakeholdersGovernance |