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| Criterion |  Architecture ATAM (Architecture Tradeoff Analysis Method) |  Decision Making Decision Rights Mapping |  Decision Making DACI |  Delivery RAID Log |
|---|---|---|---|---|
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. | In cross-functional decisions, responsibilities quickly blur between approval, influence, and execution. DACI arranges these roles so decision pressure, contribution, and information stay cleanly separated. | Helps clarify scope, sequence, and delivery flow in concrete terms. It makes work, boundaries, and order steerable. The result is captured as a RAID Log and a source for status reporting. |
Complexitydifferent | High | Medium | Low | Low |
Timedifferent | Several meetings plus preparation and analysis; total effort depends on scope | 90-180 min | 30-60 min | 30 min Setup, dann laufend |
Participantsdifferent | Evaluation team, architects, and relevant stakeholders | 4-12 | 2-10 | 1-3 maintaining, briefing for everyone |
Formatdifferent | Workshop + async | Workshop | Workshop + async | 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 | Decision Rights Matrix, Agreement | DACI Matrix, Decision Owner, Decision Log | RAID Log, Status Report Source |
Tagsno overlap | ArchitectureQualityRiskTradeoffsStakeholders | DecisionGovernanceAlignmentResponsibility | DecisionRolesGovernanceAlignment | RiskTrackingStakeholdersGovernance |