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| Criterion |  Engineering Failure Scenario Analysis |  Architecture Architecture Decision Record |  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. | 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. | 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 | 15-45 min | 60-120 min |
Participantsdifferent | 3-8 | 1-3 | 2-8 |
Formatdifferent | Workshop | Async | Workshop + async |
Outputdifferent | Failure Scenarios, Risk Notes, Control Gaps, Test and Response Actions | ADR File, Decision Log, Rationale | Communication Canvas, Stakeholder Messages, Architecture Communication Plan |
Tagsno overlap | FailureResilienceRisk | ArchitectureRationaleDocumentationGovernance | ArchitectureCommunicationStakeholdersCanvas |
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