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| Criterion |  Decision Making RAPID |  Architecture Architecture Decision Record |  Architecture ATAM (Architecture Tradeoff Analysis Method) |
|---|---|---|---|
Purposedifferent | In complex management decisions, clarity is often missing about who recommends, who agrees, and who makes the decision. RAPID creates this assignment and stabilizes decisions across several levels. | An ADR permanently records an architecture decision with context, trade-offs, and consequence. It creates continuity for later changes because the decision path stays traceable. | 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 | Low | High |
Timedifferent | 45-90 min | 15-45 min | Several meetings plus preparation and analysis; total effort depends on scope |
Participantsdifferent | 3-12 | 1-3 | Evaluation team, architects, and relevant stakeholders |
Formatdifferent | Workshop + async | Async | Workshop + async |
Outputdifferent | RAPID Role Map, Recommendation, Decision Log | ADR File, Decision Log, Rationale | 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 | DecisionRolesGovernance | ArchitectureRationaleDocumentationGovernance | ArchitectureQualityRiskTradeoffsStakeholders |
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