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| Criterion |  Systems Thinking System Dynamics Simulation |  Systems Thinking Future Reality Tree |  Architecture ATAM (Architecture Tradeoff Analysis Method) |
|---|---|---|---|
Purposedifferent | System Dynamics Simulation makes assumptions about time, delay, and feedback testable through experiments. It draws relationships, patterns, and feedback loops. The result is captured as a simulation model and scenario reports. | A Future Reality Tree shows how desired actions are meant to lead to a better system state. The method checks whether a path of change holds together logically before time flows into implementation. | 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. |
Complexitysame | High | High | High |
Timedifferent | Mehrere Tage bis Wochen | 2-4 h | Several meetings plus preparation and analysis; total effort depends on scope |
Participantsdifferent | 1-5 Modellierende, Stakeholder asynchron | 3-8 | Evaluation team, architects, and relevant stakeholders |
Formatdifferent | Async | Workshop | Workshop + async |
Outputdifferent | Simulation Model, Scenario Reports | Future Reality Tree, Negative Branches, Assumption List, Improved Injections | 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 | Systems thinkingDynamicsSimulationAnalysis | Theory of ConstraintsSystems thinkingChange | ArchitectureQualityRiskTradeoffsStakeholders |
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