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