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| Criterion |  Operations Failure Mode and Effects Analysis |  Architecture C4 Model |
|---|---|---|
Purposedifferent | For a process, product, or service with noticeable failure risks, the method assesses possible failure modes in advance. It directs attention to combinations of occurrence, effect, and detectability. | 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. |
Complexitydifferent | High | Low |
Timedifferent | 2-6 h | 1-4 h |
Participantsdifferent | 3-10 | 1-5 |
Formatdifferent | Workshop | Workshop + async |
Outputdifferent | FMEA Table, Risk Priority, Mitigation Actions | Context Diagram, Container Diagram, Component Diagram |
Tagsno overlap | RiskQualityOperationsRoot cause | ArchitectureCommunicationVisualization |
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