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Selected:Hypothesis-Driven TroubleshootingRoot Cause Tree AnalysisATAM (Architecture Tradeoff Analysis Method)
| Criterion |  Engineering Hypothesis-Driven Troubleshooting |  Operations Root Cause Tree Analysis |  Architecture ATAM (Architecture Tradeoff Analysis Method) |
|---|---|---|---|
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. | For a problem with several suspected causes, the method builds a causal structure instead of a mere list. It makes visible how causes connect and where the strongest points of leverage lie. | 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. |
Complexitydifferent | Medium | Medium | High |
Timedifferent | 30-240 min | 1-3 h | Several meetings plus preparation and analysis; total effort depends on scope |
Participantsdifferent | 1-6 | 2-8 | Evaluation team, architects, and relevant stakeholders |
Formatdifferent | Workshop + async | Workshop | Workshop + async |
Outputdifferent | Hypothesis Log, Test Plan, Evidence Notes, Diagnosis Summary | Cause Tree, Evidence Notes, Countermeasures | Prioritized quality scenarios in a utility tree, Architecture risks with reasoning and assumptions, Sensitivity and trade-off points, Findings report with open investigations |
Tagsno overlap | TroubleshootingProblem solvingDiagnosis | Root causeTreeIncidentQuality | ArchitectureQualityRiskTradeoffsStakeholders |
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