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| Criterion |  Architecture Architecture Decision Record |  Architecture C4 Model |  Delivery RAID Log |
|---|---|---|---|
Purposedifferent | 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. | 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. |
Complexitysame | Low | Low | Low |
Timedifferent | 15-45 min | 1-4 h | 30 min Setup, dann laufend |
Participantsdifferent | 1-3 | 1-5 | 1-3 maintaining, briefing for everyone |
Formatdifferent | Async | Workshop + async | Async |
Outputdifferent | ADR File, Decision Log, Rationale | Context Diagram, Container Diagram, Component Diagram | RAID Log, Status Report Source |
Tagsno overlap | ArchitectureRationaleDocumentationGovernance | ArchitectureCommunicationVisualization | RiskTrackingStakeholdersGovernance |
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