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| Criterion |  Architecture ATAM (Architecture Tradeoff Analysis Method) |  Operations ABC Analysis |  Decision Making Pareto Analysis |
|---|---|---|---|
Purposedifferent | 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. | With many similar objects of differing economic significance, the method prioritizes effort by effect. It separates what needs regular steering from what rarely needs attention. | In many problem situations, effect is distributed unequally across many causes. A Pareto Analysis separates the few drivers with high leverage from the long remainder and focuses attention on what measurably moves the needle. |
Complexitydifferent | High | Low | Low |
Timedifferent | Several meetings plus preparation and analysis; total effort depends on scope | 30-60 min | 30-60 min |
Participantsdifferent | Evaluation team, architects, and relevant stakeholders | 1-5 | 1-6 |
Formatdifferent | Workshop + async | Async | Workshop + async |
Outputdifferent | Prioritized quality scenarios in a utility tree, Architecture risks with reasoning and assumptions, Sensitivity and trade-off points, Findings report with open investigations | ABC Classification, Focus Rules, Control List | Pareto Chart, Top Causes, Focus List |
Tagsno overlap | ArchitectureQualityRiskTradeoffsStakeholders | PrioritizationOperationsPortfolio | PrioritizationQualityFocusRoot cause |
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