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Selected:Fault IsolationAlignment MappingATAM (Architecture Tradeoff Analysis Method)Power Interest Grid
| Criterion |  Engineering Fault Isolation |  Facilitation Alignment Mapping |  Architecture ATAM (Architecture Tradeoff Analysis Method) |  Facilitation Power Interest Grid |
|---|---|---|---|---|
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. | When several people work toward one goal but hold different mental maps, Alignment Mapping makes the discrepancies visible. It arranges goals, assumptions, and priorities so shared direction becomes verifiable. | 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. | When many stakeholders compete for attention at once, the Power Interest Grid sorts them by influence and stake. It turns individual contributions into a visible selection. The result is captured as a Power Interest Grid and a stakeholder-specific strategy. |
Complexitydifferent | Medium | Medium | High | Low |
Timedifferent | 30-180 min | 1-2 h | Several meetings plus preparation and analysis; total effort depends on scope | 30-60 min |
Participantsdifferent | 1-6 | 4-12 | Evaluation team, architects, and relevant stakeholders | 2-8 |
Formatdifferent | Workshop + async | Workshop | Workshop + async | Workshop |
Outputdifferent | Fault Isolation Map, Test Log, Excluded Hypotheses, Narrowed Fault Area | Alignment Map, Open Issues, Decision Questions | Prioritized quality scenarios in a utility tree, Architecture risks with reasoning and assumptions, Sensitivity and trade-off points, Findings report with open investigations | Power Interest Grid, Strategy per Stakeholder |
Tagsno overlap | TroubleshootingDiagnosisEngineering | AlignmentStakeholdersStrategyFacilitation | ArchitectureQualityRiskTradeoffsStakeholders | StakeholdersFacilitationAlignmentPlanning |