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Selected:Fault IsolationVRIO FrameworkATAM (Architecture Tradeoff Analysis Method)Value Chain Analysis
| Criterion |  Engineering Fault Isolation |  Business Strategy VRIO Framework |  Architecture ATAM (Architecture Tradeoff Analysis Method) |  Business Strategy Value Chain Analysis |
|---|---|---|---|---|
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. | The VRIO Framework rates resources and capabilities on whether they are Valuable, Rare, Inimitable, and Organized. It compares strengths, risks, market logic, and courses of action. The result is captured as a VRIO table and strategic actions. | ATAM helps teams weigh architecture decisions when quality goals compete. The team considers business goals, stakeholder expectations, and technical decisions together. The evaluation shows which risks need further investigation. | 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 | High |
Timedifferent | 30-180 min | 90-180 min | Several meetings plus preparation and analysis; total effort depends on scope | Half day |
Participantsdifferent | 1-6 | 3-6 | Evaluation team, architects, and relevant stakeholders | 3-8 |
Formatdifferent | Workshop + async | Workshop | Workshop + async | Workshop |
Outputdifferent | Fault Isolation Map, Test Log, Excluded Hypotheses, Narrowed Fault Area | VRIO Table, Strategic Actions | Prioritized quality scenarios in a utility tree, Architecture risks with reasoning and assumptions, Sensitivity and trade-off points, Findings report with open investigations | Value Chain Map, Lever List |
Tagsno overlap | TroubleshootingDiagnosisEngineering | StrategyDiagnosisBusiness modelCapability | ArchitectureQualityRiskTradeoffsStakeholders | StrategyBusiness modelDiagnosisAnalysis |