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| Criterion |  Operations Fault Tree Analysis |  Architecture Software Architecture Canvas |  Architecture Architecture Communication Canvas |
|---|---|---|---|
Purposedifferent | 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 Software Architecture Canvas reduces a system to the most important architecture decisions, constraints, and interfaces. It is useful when teams need a resilient overall picture quickly. | 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 | High | Low | Medium |
Timedifferent | 2-6 h | 1-2 h | 60-120 min |
Participantsdifferent | 3-8 | 3-10 | 2-8 |
Formatdifferent | Workshop + async | Workshop | Workshop + async |
Outputdifferent | Fault Tree, Critical Paths, Cause Hypotheses, Control Actions | Architecture Canvas, Goals, Constraints, Quality Attributes | Communication Canvas, Stakeholder Messages, Architecture Communication Plan |
Tagsno overlap | RiskRoot causeSafety | CanvasArchitectureAlignmentWorkshop | ArchitectureCommunicationStakeholdersCanvas |
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