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Selected:Change AnalysisFailure Mode and Effects AnalysisValue Chain AnalysisSAAM (Software Architecture Analysis Method)
| Criterion |  Operations Change Analysis |  Operations Failure Mode and Effects Analysis |  Business Strategy Value Chain Analysis |  Architecture SAAM (Software Architecture Analysis Method) |
|---|---|---|---|---|
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. | For a process, product, or service with noticeable failure risks, the method assesses possible failure modes in advance. It directs attention to combinations of occurrence, effect, and detectability. | Value Chain Analysis shows where value is created, costs accrue, and differentiation becomes possible along the process. It compares strengths, risks, market logic, and courses of action. The result is captured as a value-chain map and lever list. | 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. |
Complexitydifferent | Medium | High | High | High |
Timedifferent | 45-120 min | 2-6 h | Half day | Preparation, scenario analysis, and findings review; effort depends on scope |
Participantsdifferent | 2-6 | 3-10 | 3-8 | Architecture experts and stakeholders for scenarios and weighting |
Formatdifferent | Workshop + async | Workshop | Workshop | Workshop + async |
Outputdifferent | Change Matrix, Cause Hypotheses, Validation Questions, Action List | FMEA Table, Risk Priority, Mitigation Actions | Value Chain Map, Lever 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 |
Tagsno overlap | ChangeRoot causeTroubleshootingComparison | RiskQualityOperationsRoot cause | StrategyBusiness modelDiagnosisAnalysis | ArchitectureChangeAnalysisComparisonQuality |