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| Criterion |  Operations Failure Mode and Effects Analysis |  Architecture arc42 |  Operations Kepner-Tregoe |
|---|---|---|---|
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. | 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. | For a disturbance that's hard to pin down, the method cleanly separates problem, cause, and decision. It reduces mixing when symptoms allow several interpretations. |
Complexitydifferent | High | Low | High |
Timedifferent | 2-6 h | 1-2 Tage | 2-8 h |
Participantsdifferent | 3-10 | 1-4 | 2-8 |
Formatdifferent | Workshop | Workshop + async | Workshop + async |
Outputdifferent | FMEA Table, Risk Priority, Mitigation Actions | Architecture Document, Context View, Runtime View, Deployment View | Problem Analysis, Decision Analysis, Risk Plan |
Tagsno overlap | RiskQualityOperationsRoot cause | ArchitectureDocumentationCommunication | Problem solvingRoot causeDecisionOperations |
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