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| Criterion |  Engineering Failure Scenario Analysis |  Operations Fishbone Diagram |  Architecture Architecture Communication Canvas |
|---|---|---|---|
Purposedifferent | In critical processes, it is not enough to plan only for the normal case. Failure Scenario Analysis looks at the path into failure and shows which failures, chains, and control gaps cause the most damage. | 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. | The Architecture Communication Canvas plans architecture communication so the right people receive the right message. The method turns technical complexity into deliberate communication design. |
Complexitydifferent | Medium | Low | Medium |
Timedifferent | 1-3 h | 30-60 min | 60-120 min |
Participantsdifferent | 3-8 | 2-8 | 2-8 |
Formatdifferent | Workshop | Workshop | Workshop + async |
Outputdifferent | Failure Scenarios, Risk Notes, Control Gaps, Test and Response Actions | Fishbone Diagram, Cause Categories, Investigation Backlog | Communication Canvas, Stakeholder Messages, Architecture Communication Plan |
Tagsno overlap | FailureResilienceRisk | Root causeQualityOperations | ArchitectureCommunicationStakeholdersCanvas |
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