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Selected:Bottleneck AnalysisA3 Problem SolvingATAM (Architecture Tradeoff Analysis Method)Theory of Constraints
| Criterion |  Operations Bottleneck Analysis |  Operations A3 Problem Solving |  Architecture ATAM (Architecture Tradeoff Analysis Method) |  Operations Theory of Constraints |
|---|---|---|---|---|
Purposedifferent | For a flow that backs up at one point, the method looks for the capacity limit with the greatest leverage. It explains why extra effort elsewhere barely improves throughput. | For a complex deviation with several people involved, the method bundles problem, analysis, and decision onto one page. It creates a shared working space where causes, countermeasures, and follow-up fit together. | 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 system that does not get faster despite effort, the method directs attention to the bottleneck. It concentrates improvement on the point that actually limits throughput. |
Complexitydifferent | Medium | Medium | High | High |
Timedifferent | 1-3 h | 45-90 min | Several meetings plus preparation and analysis; total effort depends on scope | 2-4 h Analyse, laufend |
Participantsdifferent | 3-8 | 2-5 | Evaluation team, architects, and relevant stakeholders | 3-12 |
Formatsame | Workshop + async | Workshop + async | Workshop + async | Workshop + async |
Outputdifferent | Bottleneck Map, Flow Metrics, Improvement Options, Follow-up Measures | A3 Report, Action Plan, Root Cause Analysis | Prioritized quality scenarios in a utility tree, Architecture risks with reasoning and assumptions, Sensitivity and trade-off points, Findings report with open investigations | Constraint Map, Improvement Plan, Flow Metrics |
Tagsno overlap | FlowMeasurementConstraints | LeanProblem solvingCoachingOperations | ArchitectureQualityRiskTradeoffsStakeholders | OperationsConstraintsFlowImprovement |