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Selected:Architecture Decision RecordSAAM (Software Architecture Analysis Method)Evaporating CloudChange Analysis
| Criterion |  Architecture Architecture Decision Record |  Architecture SAAM (Software Architecture Analysis Method) |  Systems Thinking Evaporating Cloud |  Operations Change Analysis |
|---|---|---|---|---|
Purposedifferent | An ADR permanently records an architecture decision with context, trade-offs, and consequence. It creates continuity for later changes because the decision path stays traceable. | 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. | 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 | Low | High | Medium | Medium |
Timedifferent | 15-45 min | Preparation, scenario analysis, and findings review; effort depends on scope | 60-120 min | 45-120 min |
Participantsdifferent | 1-3 | Architecture experts and stakeholders for scenarios and weighting | 2-8 | 2-6 |
Formatdifferent | Async | Workshop + async | Workshop | Workshop + async |
Outputdifferent | ADR File, Decision Log, Rationale | 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 | Change Matrix, Cause Hypotheses, Validation Questions, Action List |
Tagsno overlap | ArchitectureRationaleDocumentationGovernance | ArchitectureChangeAnalysisComparisonQuality | Theory of ConstraintsAssumptionsSystems thinking | ChangeRoot causeTroubleshootingComparison |