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| Criterion |  Operations Family Tree Analysis |  Architecture ATAM (Architecture Tradeoff Analysis Method) |
|---|---|---|
Purposedifferent | For a series of incidents with a similar pattern, the method arranges individual events as branches of a common origin. It makes visible which conditions keep recurring. | 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 | High |
Timedifferent | 2-4 h | Several meetings plus preparation and analysis; total effort depends on scope |
Participantsdifferent | 2-6 | Evaluation team, architects, and relevant stakeholders |
Formatsame | Workshop + async | Workshop + async |
Outputdifferent | Family Tree Diagram, Pattern Notes, Systemic Measures | 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 | Root causePatternsIncidentSystemic | ArchitectureQualityRiskTradeoffsStakeholders |
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