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| Criterion |  Architecture Risk Storming |  Operations Causal Factor Analysis |  Operations Failure Mode and Effects Analysis |
|---|---|---|---|
Purposedifferent | 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. | For an event with a complicated course, the method breaks down the contributing factors along the timeline. It shows how conditions, decisions, and reactions together produce a course of events. | 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 | Low | High | High |
Timedifferent | 60-90 min | 2-6 h | 2-6 h |
Participantsdifferent | 4-12 | 3-10 | 3-10 |
Formatdifferent | Workshop | Workshop + async | Workshop |
Outputdifferent | Annotated Diagram, Prioritized Risk List, Action Backlog | Event Timeline, Causal Factor Chart, Cause List, Corrective Actions | FMEA Table, Risk Priority, Mitigation Actions |
Tagsno overlap | RiskArchitectureWorkshopValidation | CausalityIncidentRoot causeTimeline | RiskQualityOperationsRoot cause |
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