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| Criterion |  Engineering Failure Scenario Analysis |  Architecture Architecture Communication Canvas |  Operations Fault Tree Analysis |
|---|---|---|---|
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. | The Architecture Communication Canvas plans architecture communication so the right people receive the right message. The method turns technical complexity into deliberate communication design. | 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. |
Complexitydifferent | Medium | Medium | High |
Timedifferent | 1-3 h | 60-120 min | 2-6 h |
Participantsdifferent | 3-8 | 2-8 | 3-8 |
Formatdifferent | Workshop | Workshop + async | Workshop + async |
Outputdifferent | Failure Scenarios, Risk Notes, Control Gaps, Test and Response Actions | Communication Canvas, Stakeholder Messages, Architecture Communication Plan | Fault Tree, Critical Paths, Cause Hypotheses, Control Actions |
Tagsno overlap | FailureResilienceRisk | ArchitectureCommunicationStakeholdersCanvas | RiskRoot causeSafety |
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