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Selected:Change AnalysisSAAM (Software Architecture Analysis Method)Constraint AnalysisCurrent Reality Tree
| Criterion |  Operations Change Analysis |  Architecture SAAM (Software Architecture Analysis Method) |  Decision Making Constraint Analysis |  Systems Thinking Current Reality Tree |
|---|---|---|---|---|
Purposedifferent | 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. | 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. | When an initiative stalls, the limit often lies not in the idea but in hard or soft boundary conditions. Constraint Analysis separates these limits and shows which of them can actually be shaped. | A Current Reality Tree condenses many symptoms into a few causal chains. The method makes visible which core problems drive several negative effects at once. |
Complexitydifferent | Medium | High | Low | High |
Timedifferent | 45-120 min | Preparation, scenario analysis, and findings review; effort depends on scope | 30-90 min | 2-6 h |
Participantsdifferent | 2-6 | Architecture experts and stakeholders for scenarios and weighting | 2-8 | 3-8 |
Formatdifferent | Workshop + async | Workshop + async | Workshop + async | Workshop |
Outputdifferent | Change Matrix, Cause Hypotheses, Validation Questions, Action 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 | Constraint List, Hard/Soft Classification, Option Impact Notes, Decision Boundaries | Current Reality Tree, Core Problems, Intervention Ideas |
Tagsno overlap | ChangeRoot causeTroubleshootingComparison | ArchitectureChangeAnalysisComparisonQuality | ConstraintsDecisionPlanningOptions | Systems thinkingRoot causeConstraintsCausality |