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Selected:Hypothesis-Driven TroubleshootingArchitecture Communication CanvasFault IsolationARID (Active Reviews for Intermediate Designs)
| Criterion |  Engineering Hypothesis-Driven Troubleshooting |  Architecture Architecture Communication Canvas |  Engineering Fault Isolation |  Architecture ARID (Active Reviews for Intermediate Designs) |
|---|---|---|---|---|
Purposedifferent | When systems fail unexpectedly, spontaneous attempts often produce more noise than insight. Hypothesis-driven Troubleshooting translates symptoms into testable assumptions and makes troubleshooting learnable. | The Architecture Communication Canvas plans architecture communication so the right people receive the right message. The method turns technical complexity into deliberate communication design. | 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. | ARID examines how well developers can work with a technical design. It focuses on a part of the system that can still be revised, between the architecture overview and the detailed specification. |
Complexitysame | Medium | Medium | Medium | Medium |
Timedifferent | 30-240 min | 60-120 min | 30-180 min | 2–4 h review as a planning range; preparation and evaluation additional |
Participantsdifferent | 1-6 | 2-8 | 1-6 | Designers, developers as users, and facilitation |
Formatsame | Workshop + async | Workshop + async | Workshop + async | Workshop + async |
Outputdifferent | Hypothesis Log, Test Plan, Evidence Notes, Diagnosis Summary | Communication Canvas, Stakeholder Messages, Architecture Communication Plan | Fault Isolation Map, Test Log, Excluded Hypotheses, Narrowed Fault Area | Prioritized development tasks, Jointly produced code or pseudocode, Observed difficulties and open design questions, Proposed design revisions |
Tagsno overlap | TroubleshootingProblem solvingDiagnosis | ArchitectureCommunicationStakeholdersCanvas | TroubleshootingDiagnosisEngineering | ArchitectureEngineeringFeedbackValidationTasks |