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Selected:Fault IsolationATAM (Architecture Tradeoff Analysis Method)5-Minuten VC-CheckARID (Active Reviews for Intermediate Designs)
| Criterion |  Engineering Fault Isolation |  Architecture ATAM (Architecture Tradeoff Analysis Method) |  Business Strategy 5-Minuten VC-Check |  Architecture ARID (Active Reviews for Intermediate Designs) |
|---|---|---|---|---|
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. | 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. | The 5-Minute VC Check clarifies opportunities and strategic options at the earliest idea stage. It compares problem quality, customer willingness to pay, alternatives, differentiation, and market potential, and captures the result as a VC-check note, go/sharpen/park decision, and risk list. | 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. |
Complexitydifferent | Medium | High | Low | Medium |
Timedifferent | 30-180 min | Several meetings plus preparation and analysis; total effort depends on scope | 5-15 min | 2–4 h review as a planning range; preparation and evaluation additional |
Participantsdifferent | 1-6 | Evaluation team, architects, and relevant stakeholders | 1-5 | Designers, developers as users, and facilitation |
Formatsame | Workshop + async | Workshop + async | Workshop + async | Workshop + async |
Outputdifferent | Fault Isolation Map, Test Log, Excluded Hypotheses, Narrowed Fault Area | Prioritized quality scenarios in a utility tree, Architecture risks with reasoning and assumptions, Sensitivity and trade-off points, Findings report with open investigations | VC-check note, Go/sharpen/park decision, Risk and assumption list, Next validation step | Prioritized development tasks, Jointly produced code or pseudocode, Observed difficulties and open design questions, Proposed design revisions |
Tagsno overlap | TroubleshootingDiagnosisEngineering | ArchitectureQualityRiskTradeoffsStakeholders | StartupValidationCompetition | ArchitectureEngineeringFeedbackValidationTasks |