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Selected:SAAM (Software Architecture Analysis Method)Fishbone DiagramRoot Cause AnalysisFailure Mode and Effects Analysis
| Criterion |  Architecture SAAM (Software Architecture Analysis Method) |  Operations Fishbone Diagram |  Operations Root Cause Analysis |  Operations Failure Mode and Effects Analysis |
|---|---|---|---|---|
Purposedifferent | 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 a problem has several possible contributing factors, the method sorts causes by cause areas. It prevents an initial hunch from blocking the view of other plausible drivers. | 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. | 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. |
Complexitydifferent | High | Low | Medium | High |
Timedifferent | Preparation, scenario analysis, and findings review; effort depends on scope | 30-60 min | 1-4 h | 2-6 h |
Participantsdifferent | Architecture experts and stakeholders for scenarios and weighting | 2-8 | 3-8 | 3-10 |
Formatdifferent | Workshop + async | Workshop | Workshop + async | Workshop |
Outputdifferent | 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 | Fishbone Diagram, Cause Categories, Investigation Backlog | Problem Statement, Cause Hypotheses, Confirmed Causes, Action Plan | FMEA Table, Risk Priority, Mitigation Actions |
Tags1 shared | ArchitectureChangeAnalysisComparisonQuality | Root causeQualityOperations | Root causeProblem solvingQualityIncident | RiskQualityOperationsRoot cause |