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Selected:System Dynamics SimulationATAM (Architecture Tradeoff Analysis Method)SAAM (Software Architecture Analysis Method)Stock and Flow Diagram
| Criterion |  Systems Thinking System Dynamics Simulation |  Architecture ATAM (Architecture Tradeoff Analysis Method) |  Architecture SAAM (Software Architecture Analysis Method) |  Systems Thinking Stock and Flow Diagram |
|---|---|---|---|---|
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. | 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. | SAAM helps teams judge an architecture’s suitability for selected tasks and changes. It is particularly useful for examining modifiability and comparing architecture alternatives with clear reasoning. | A Stock and Flow Diagram shows how stocks, inflows, and outflows shape a system over time. It is especially suited when growth, delays, or capacity limits determine the dynamics. |
Complexitysame | High | High | High | High |
Timedifferent | Mehrere Tage bis Wochen | Several meetings plus preparation and analysis; total effort depends on scope | Preparation, scenario analysis, and findings review; effort depends on scope | 2-6 h |
Participantsdifferent | 1-5 Modellierende, Stakeholder asynchron | Evaluation team, architects, and relevant stakeholders | Architecture experts and stakeholders for scenarios and weighting | 1-6 |
Formatdifferent | Async | Workshop + async | Workshop + async | Workshop + async |
Outputdifferent | Simulation Model, Scenario Reports | Prioritized quality scenarios in a utility tree, Architecture risks with reasoning and assumptions, Sensitivity and trade-off points, Findings report with open investigations | Domain functions mapped to components and connections, Quality attributes and evaluation criteria, Typical tasks and their effects on the architecture, Reasoned evaluation or comparison of alternatives | Stock and Flow Model, Dynamics Notes, Simulation Hypotheses |
Tagsno overlap | Systems thinkingDynamicsSimulationAnalysis | ArchitectureQualityRiskTradeoffsStakeholders | ArchitectureChangeAnalysisComparisonQuality | DynamicsSimulationFeedbackSystems thinking |