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Selected:MoSCoWATAM (Architecture Tradeoff Analysis Method)Failure Mode and Effects AnalysisFishbone Diagram
| Criterion |  Delivery MoSCoW |  Architecture ATAM (Architecture Tradeoff Analysis Method) |  Operations Failure Mode and Effects Analysis |  Operations Fishbone Diagram |
|---|---|---|---|---|
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. | For a process, product, or service with noticeable failure risks, the method assesses possible failure modes in advance. It directs attention to combinations of occurrence, effect, and detectability. | When a problem has several possible contributing factors, the method sorts causes by cause areas. It prevents an initial hunch from blocking the view of other plausible drivers. |
Complexitydifferent | Low | High | High | Low |
Timedifferent | 30-90 min | Several meetings plus preparation and analysis; total effort depends on scope | 2-6 h | 30-60 min |
Participantsdifferent | 3-12 | Evaluation team, architects, and relevant stakeholders | 3-10 | 2-8 |
Formatdifferent | Workshop + async | Workshop + async | Workshop | 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 | FMEA Table, Risk Priority, Mitigation Actions | Fishbone Diagram, Cause Categories, Investigation Backlog |
Tagsno overlap | PrioritizationScopeDecision | ArchitectureQualityRiskTradeoffsStakeholders | RiskQualityOperationsRoot cause | Root causeQualityOperations |