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| Criterion |  Architecture C4 Model |  Engineering Fault Isolation |  Architecture Risk Storming |
|---|---|---|---|
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. | In technical failures, the visible symptom often gets mixed up with the actual cause. Fault Isolation narrows the fault space and progressively reduces which part of the system is truly affected. | Helps clarify architecture context, options, and consequences in concrete terms. It organizes technical context, alternatives, and consequences. The result is captured as an Annotated Diagram, a Prioritized Risk List, and an Action Backlog. |
Complexitydifferent | Low | Medium | Low |
Timedifferent | 1-4 h | 30-180 min | 60-90 min |
Participantsdifferent | 1-5 | 1-6 | 4-12 |
Formatdifferent | Workshop + async | Workshop + async | Workshop |
Outputdifferent | Context Diagram, Container Diagram, Component Diagram | Fault Isolation Map, Test Log, Excluded Hypotheses, Narrowed Fault Area | Annotated Diagram, Prioritized Risk List, Action Backlog |
Tagsno overlap | ArchitectureCommunicationVisualization | TroubleshootingDiagnosisEngineering | RiskArchitectureWorkshopValidation |
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