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| Criterion |  Architecture ATAM (Architecture Tradeoff Analysis Method) |  Decision Making Decision Rights Mapping |  Facilitation Power Interest Grid |
|---|---|---|---|
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. | In organizations with many stakeholders, it often blurs who actually decides and who is merely consulted. It separates options, evaluation criteria, and open risks. The result is captured as a Decision Rights matrix and an agreement. | 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 | High | Medium | Low |
Timedifferent | Several meetings plus preparation and analysis; total effort depends on scope | 90-180 min | 30-60 min |
Participantsdifferent | Evaluation team, architects, and relevant stakeholders | 4-12 | 2-8 |
Formatdifferent | Workshop + async | Workshop | Workshop |
Outputdifferent | Prioritized quality scenarios in a utility tree, Architecture risks with reasoning and assumptions, Sensitivity and trade-off points, Findings report with open investigations | Decision Rights Matrix, Agreement | Power Interest Grid, Strategy per Stakeholder |
Tagsno overlap | ArchitectureQualityRiskTradeoffsStakeholders | DecisionGovernanceAlignmentResponsibility | StakeholdersFacilitationAlignmentPlanning |
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