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| Criterion |  Operations RACI Matrix |  Architecture ATAM (Architecture Tradeoff Analysis Method) |
|---|---|---|
Purposedifferent | With unclear responsibilities across several roles or areas, the method creates unambiguous accountability logic. It reduces friction because decision, execution, contribution, and information become separately visible. | 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 | Low | High |
Timedifferent | 45-90 min | Several meetings plus preparation and analysis; total effort depends on scope |
Participantsdifferent | 2-8 | Evaluation team, architects, and relevant stakeholders |
Formatsame | Workshop + async | Workshop + async |
Outputdifferent | RACI Matrix, Responsibility Map, Decision Notes | 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 | RolesResponsibilityGovernanceOperations | ArchitectureQualityRiskTradeoffsStakeholders |
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