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Selected:ATAM (Architecture Tradeoff Analysis Method)Failure Mode and Effects AnalysisTheory of Constraints Thinking Process8D Problem Solving
| Criterion |  Architecture ATAM (Architecture Tradeoff Analysis Method) |  Operations Failure Mode and Effects Analysis |  Systems Thinking Theory of Constraints Thinking Process |  Operations 8D Problem Solving |
|---|---|---|---|---|
Purposedifferent | 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. | The Theory of Constraints Thinking Process exposes a system's bottleneck and the logic behind it. It suits situations where many symptoms trace back to the same limiting relationship. | For an acute quality or delivery problem, the method structures immediate protection and root cause work together. It keeps the situation stable while the actual cause is investigated cleanly. |
Complexitysame | High | High | High | High |
Timedifferent | Several meetings plus preparation and analysis; total effort depends on scope | 2-6 h | 0.5-3 Tage | 1-6 Wochen |
Participantsdifferent | Evaluation team, architects, and relevant stakeholders | 3-10 | 4-10 | 4-10 |
Formatdifferent | Workshop + async | Workshop | Workshop | Workshop + async |
Outputdifferent | 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 | Current Reality Logic, Conflict Cloud, Future Reality Tree, Implementation Obstacles | 8D Report, Containment Plan, Root Cause Evidence, Corrective Action Plan |
Tagsno overlap | ArchitectureQualityRiskTradeoffsStakeholders | RiskQualityOperationsRoot cause | Theory of ConstraintsConstraintsSystems thinkingCausality | QualityProblem solvingRoot cause |