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| Criterion |  Engineering Fault Isolation |  Architecture Risk Storming |  Architecture Architecture Communication Canvas |  Architecture Software Architecture Canvas |
|---|---|---|---|---|
Purposedifferent | In technical failures, the visible symptom often gets mixed up with the actual cause. Fault Isolation narrows the fault space and progressively reduces which part of the system is truly affected. | Helps clarify architecture context, options, and consequences in concrete terms. It organizes technical context, alternatives, and consequences. The result is captured as an Annotated Diagram, a Prioritized Risk List, and an Action Backlog. | The Architecture Communication Canvas plans architecture communication so the right people receive the right message. The method turns technical complexity into deliberate communication design. | 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. |
Complexitydifferent | Medium | Low | Medium | Low |
Timedifferent | 30-180 min | 60-90 min | 60-120 min | 1-2 h |
Participantsdifferent | 1-6 | 4-12 | 2-8 | 3-10 |
Formatdifferent | Workshop + async | Workshop | Workshop + async | Workshop |
Outputdifferent | Fault Isolation Map, Test Log, Excluded Hypotheses, Narrowed Fault Area | Annotated Diagram, Prioritized Risk List, Action Backlog | Communication Canvas, Stakeholder Messages, Architecture Communication Plan | Architecture Canvas, Goals, Constraints, Quality Attributes |
Tagsno overlap | TroubleshootingDiagnosisEngineering | RiskArchitectureWorkshopValidation | ArchitectureCommunicationStakeholdersCanvas | CanvasArchitectureAlignmentWorkshop |