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Selected:Change AnalysisSAAM (Software Architecture Analysis Method)Evaporating CloudCurrent Reality Tree
| Criterion |  Operations Change Analysis |  Architecture SAAM (Software Architecture Analysis Method) |  Systems Thinking Evaporating Cloud |  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. | The method makes visible why two seemingly incompatible demands arise and which assumption must be tested to resolve the conflict. | 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 | Medium | High |
Timedifferent | 45-120 min | Preparation, scenario analysis, and findings review; effort depends on scope | 60-120 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 | 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 | Conflict Cloud, Assumption List, Breakthrough Ideas, Next Experiments | Current Reality Tree, Core Problems, Intervention Ideas |
Tagsno overlap | ChangeRoot causeTroubleshootingComparison | ArchitectureChangeAnalysisComparisonQuality | Theory of ConstraintsAssumptionsSystems thinking | Systems thinkingRoot causeConstraintsCausality |