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| Criterion |  Decision Making Decision Tree |  Architecture SAAM (Software Architecture Analysis Method) |  Operations Change Analysis |
|---|---|---|---|
Purposedifferent | For decisions with follow-on paths and dependencies, a linear comparison is often not enough. A Decision Tree shows how options branch under conditions and which consequences hang on each branch. | 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. | For a deviation after a change, the method isolates the influence of the altered condition. It narrows down which differences are relevant and which are just accompanying noise. |
Complexitydifferent | Medium | High | Medium |
Timedifferent | 30-90 min | Preparation, scenario analysis, and findings review; effort depends on scope | 45-120 min |
Participantsdifferent | 1-6 | Architecture experts and stakeholders for scenarios and weighting | 2-6 |
Formatsame | Workshop + async | Workshop + async | Workshop + async |
Outputdifferent | Decision Tree, Option Map, Assumption List | 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 | Change Matrix, Cause Hypotheses, Validation Questions, Action List |
Tagsno overlap | DecisionTreeOptions | ArchitectureChangeAnalysisComparisonQuality | ChangeRoot causeTroubleshootingComparison |
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