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| Criterion |  Decision Making Constraint Analysis |  Architecture ATAM (Architecture Tradeoff Analysis Method) |  Business Strategy TOWS Matrix |
|---|---|---|---|
Purposedifferent | When an initiative stalls, the limit often lies not in the idea but in hard or soft boundary conditions. Constraint Analysis separates these limits and shows which of them can actually be shaped. | 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. | The TOWS Matrix connects internal strengths and weaknesses with external opportunities and threats into action-oriented strategies. It goes a step further than a pure stocktaking. |
Complexitydifferent | Low | High | Medium |
Timedifferent | 30-90 min | Several meetings plus preparation and analysis; total effort depends on scope | 1-2 h |
Participantsdifferent | 2-8 | Evaluation team, architects, and relevant stakeholders | 3-10 |
Formatdifferent | Workshop + async | Workshop + async | Workshop |
Outputdifferent | Constraint List, Hard/Soft Classification, Option Impact Notes, Decision Boundaries | Prioritized quality scenarios in a utility tree, Architecture risks with reasoning and assumptions, Sensitivity and trade-off points, Findings report with open investigations | TOWS Matrix, Strategic Options, Priority Actions |
Tagsno overlap | ConstraintsDecisionPlanningOptions | ArchitectureQualityRiskTradeoffsStakeholders | StrategyAnalysisOptions |
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