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| Criterion |  Engineering Failure Scenario Analysis |  Operations Fault Tree Analysis |  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. | For a critical top event with several possible triggers, the method logically models failure paths. It makes visible which combinations of conditions can lead to damage. | 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 | High | Medium |
Timedifferent | 1-3 h | 2-6 h | 60-120 min |
Participantsdifferent | 3-8 | 3-8 | 2-8 |
Formatdifferent | Workshop | Workshop + async | Workshop + async |
Outputdifferent | Failure Scenarios, Risk Notes, Control Gaps, Test and Response Actions | Fault Tree, Critical Paths, Cause Hypotheses, Control Actions | Communication Canvas, Stakeholder Messages, Architecture Communication Plan |
Tagsno overlap | FailureResilienceRisk | RiskRoot causeSafety | ArchitectureCommunicationStakeholdersCanvas |
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