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| Criterion |  Operations Failure Mode and Effects Analysis |  Operations Fishbone Diagram |  Architecture arc42 |
|---|---|---|---|
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. | When a problem has several possible contributing factors, the method sorts causes by cause areas. It prevents an initial hunch from blocking the view of other plausible drivers. | arc42 structures architecture knowledge so teams can document system, decisions, and risks consistently. The template builds a living understanding of the architecture instead of scattered notes. |
Complexitydifferent | High | Low | Low |
Timedifferent | 2-6 h | 30-60 min | 1-2 Tage |
Participantsdifferent | 3-10 | 2-8 | 1-4 |
Formatdifferent | Workshop | Workshop | Workshop + async |
Outputdifferent | FMEA Table, Risk Priority, Mitigation Actions | Fishbone Diagram, Cause Categories, Investigation Backlog | Architecture Document, Context View, Runtime View, Deployment View |
Tagsno overlap | RiskQualityOperationsRoot cause | Root causeQualityOperations | ArchitectureDocumentationCommunication |
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