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| Criterion |  Architecture ARID (Active Reviews for Intermediate Designs) |  Engineering Fault Isolation |  Business Strategy Value Chain Analysis |
|---|---|---|---|
Purposedifferent | 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. | 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. | Value Chain Analysis shows where value is created, costs accrue, and differentiation becomes possible along the process. It compares strengths, risks, market logic, and courses of action. The result is captured as a value-chain map and lever list. |
Complexitydifferent | Medium | Medium | High |
Timedifferent | 2–4 h review as a planning range; preparation and evaluation additional | 30-180 min | Half day |
Participantsdifferent | Designers, developers as users, and facilitation | 1-6 | 3-8 |
Formatdifferent | Workshop + async | Workshop + async | Workshop |
Outputdifferent | Prioritized development tasks, Jointly produced code or pseudocode, Observed difficulties and open design questions, Proposed design revisions | Fault Isolation Map, Test Log, Excluded Hypotheses, Narrowed Fault Area | Value Chain Map, Lever List |
Tagsno overlap | ArchitectureEngineeringFeedbackValidationTasks | TroubleshootingDiagnosisEngineering | StrategyBusiness modelDiagnosisAnalysis |
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