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| Criterion |  Architecture C4 Model |  Delivery RAID Log |  Agile ROAM Board |  Architecture Architecture Communication Canvas |
|---|---|---|---|---|
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. | 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. | 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 Architecture Communication Canvas plans architecture communication so the right people receive the right message. The method turns technical complexity into deliberate communication design. |
Complexitydifferent | Low | Low | Low | Medium |
Timedifferent | 1-4 h | 30 min Setup, dann laufend | 20-40 min initial, dann laufend | 60-120 min |
Participantsdifferent | 1-5 | 1-3 maintaining, briefing for everyone | 3-15 | 2-8 |
Formatdifferent | Workshop + async | Async | Workshop + async | Workshop + async |
Outputdifferent | Context Diagram, Container Diagram, Component Diagram | RAID Log, Status Report Source | ROAM Board, Owner List | Communication Canvas, Stakeholder Messages, Architecture Communication Plan |
Tagsno overlap | ArchitectureCommunicationVisualization | RiskTrackingStakeholdersGovernance | RiskAgileTrackingAlignment | ArchitectureCommunicationStakeholdersCanvas |