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Selected:Pareto AnalysisArchitecture Decision RecordRisk MatrixATAM (Architecture Tradeoff Analysis Method)
| Criterion |  Decision Making Pareto Analysis |  Architecture Architecture Decision Record |  Decision Making Risk Matrix |  Architecture ATAM (Architecture Tradeoff Analysis Method) |
|---|---|---|---|---|
Purposedifferent | In many problem situations, effect is distributed unequally across many causes. A Pareto Analysis separates the few drivers with high leverage from the long remainder and focuses attention on what measurably moves the needle. | 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. | When a project faces many possible disruptions, it quickly becomes unclear which risks deserve attention first. It separates options, evaluation criteria, and open risks. The result is captured as a Risk Matrix and a Top Risk List. | 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 | Low | Low | High |
Timedifferent | 30-60 min | 15-45 min | 30-60 min | Several meetings plus preparation and analysis; total effort depends on scope |
Participantsdifferent | 1-6 | 1-3 | 3-10 | Evaluation team, architects, and relevant stakeholders |
Formatdifferent | Workshop + async | Async | Workshop + async | Workshop + async |
Outputdifferent | Pareto Chart, Top Causes, Focus List | ADR File, Decision Log, Rationale | Risk Matrix, Top Risk List | 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 | PrioritizationQualityFocusRoot cause | ArchitectureRationaleDocumentationGovernance | RiskDecisionPrioritizationAssessment | ArchitectureQualityRiskTradeoffsStakeholders |