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Selected:Hypothesis-Driven TroubleshootingSAAM (Software Architecture Analysis Method)Change AnalysisRoot Cause Analysis
| Criterion |  Engineering Hypothesis-Driven Troubleshooting |  Architecture SAAM (Software Architecture Analysis Method) |  Operations Change Analysis |  Operations Root Cause Analysis |
|---|---|---|---|---|
Purposedifferent | When systems fail unexpectedly, spontaneous attempts often produce more noise than insight. Hypothesis-driven Troubleshooting translates symptoms into testable assumptions and makes troubleshooting learnable. | 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. | When a problem keeps recurring and the cause stays unclear, the method exposes the underlying mechanism. It separates symptom, guess, and robust explanation from one another. |
Complexitydifferent | Medium | High | Medium | Medium |
Timedifferent | 30-240 min | Preparation, scenario analysis, and findings review; effort depends on scope | 45-120 min | 1-4 h |
Participantsdifferent | 1-6 | Architecture experts and stakeholders for scenarios and weighting | 2-6 | 3-8 |
Formatsame | Workshop + async | Workshop + async | Workshop + async | Workshop + async |
Outputdifferent | Hypothesis Log, Test Plan, Evidence Notes, Diagnosis Summary | 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 | Problem Statement, Cause Hypotheses, Confirmed Causes, Action Plan |
Tagsno overlap | TroubleshootingProblem solvingDiagnosis | ArchitectureChangeAnalysisComparisonQuality | ChangeRoot causeTroubleshootingComparison | Root causeProblem solvingQualityIncident |