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| Criterion |  Knowledge Modeling Event Modeling |  Architecture Architecture Decision Record |  Operations Failure Mode and Effects Analysis |
|---|---|---|---|
Purposedifferent | Event Modeling connects business workflows with commands, events, and views into one coherent mental model. It helps design behavior, UI, and technical slices from the same underlying logic. | 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. | 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. |
Complexitydifferent | Medium | Low | High |
Timedifferent | 2-6 h | 15-45 min | 2-6 h |
Participantsdifferent | 2-8 | 1-3 | 3-10 |
Formatdifferent | Workshop + async | Async | Workshop |
Outputdifferent | Event Model, UI Flow, Commands, Read Models | ADR File, Decision Log, Rationale | FMEA Table, Risk Priority, Mitigation Actions |
Tagsno overlap | EventsBlueprintDomain-Driven DesignBehavior | ArchitectureRationaleDocumentationGovernance | RiskQualityOperationsRoot cause |
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