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Selected:System Dynamics SimulationSAAM (Software Architecture Analysis Method)Causal Loop DiagramATAM (Architecture Tradeoff Analysis Method)
| Criterion |  Systems Thinking System Dynamics Simulation |  Architecture SAAM (Software Architecture Analysis Method) |  Systems Thinking Causal Loop Diagram |  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. | 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 Causal Loop Diagram makes feedback, reinforcement, and balance in a system legible. It uncovers side effects and self-reinforcement that stay hidden in linear explanations. | 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. |
Complexitydifferent | High | High | Medium | High |
Timedifferent | Mehrere Tage bis Wochen | Preparation, scenario analysis, and findings review; effort depends on scope | 1-3 h | Several meetings plus preparation and analysis; total effort depends on scope |
Participantsdifferent | 1-5 Modellierende, Stakeholder asynchron | Architecture experts and stakeholders for scenarios and weighting | 2-8 | Evaluation team, architects, and relevant stakeholders |
Formatdifferent | Async | Workshop + async | Workshop | Workshop + async |
Outputdifferent | Simulation Model, Scenario Reports | 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 | Causal Loop Diagram, Feedback Notes, Leverage Points | 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 | ArchitectureChangeAnalysisComparisonQuality | FeedbackSystems thinkingCausalityDynamics | ArchitectureQualityRiskTradeoffsStakeholders |