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| Criterion |  Delivery MoSCoW |  Architecture ATAM (Architecture Tradeoff Analysis Method) |  Architecture Risk Storming |
|---|---|---|---|
Purposedifferent | When a release carries too many demands and priorities are only ever negotiated, MoSCoW creates clear boundaries for the next cut. Must, Should, Could, and Won't make commitment, room for maneuver, and trade-off logic visible to everyone involved. | 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. | Helps clarify architecture context, options, and consequences in concrete terms. It organizes technical context, alternatives, and consequences. The result is captured as an Annotated Diagram, a Prioritized Risk List, and an Action Backlog. |
Complexitydifferent | Low | High | Low |
Timedifferent | 30-90 min | Several meetings plus preparation and analysis; total effort depends on scope | 60-90 min |
Participantsdifferent | 3-12 | Evaluation team, architects, and relevant stakeholders | 4-12 |
Formatdifferent | Workshop + async | Workshop + async | Workshop |
Outputdifferent | Prioritized Backlog, Release Scope, Tradeoff Notes | Prioritized quality scenarios in a utility tree, Architecture risks with reasoning and assumptions, Sensitivity and trade-off points, Findings report with open investigations | Annotated Diagram, Prioritized Risk List, Action Backlog |
Tagsno overlap | PrioritizationScopeDecision | ArchitectureQualityRiskTradeoffsStakeholders | RiskArchitectureWorkshopValidation |
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