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Selected:SAAM (Software Architecture Analysis Method)Constraint AnalysisRoot Cause AnalysisKepner-Tregoe
| Criterion |  Architecture SAAM (Software Architecture Analysis Method) |  Decision Making Constraint Analysis |  Operations Root Cause Analysis |  Operations Kepner-Tregoe |
|---|---|---|---|---|
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 an initiative stalls, the limit often lies not in the idea but in hard or soft boundary conditions. Constraint Analysis separates these limits and shows which of them can actually be shaped. | 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 disturbance that's hard to pin down, the method cleanly separates problem, cause, and decision. It reduces mixing when symptoms allow several interpretations. |
Complexitydifferent | High | Low | Medium | High |
Timedifferent | Preparation, scenario analysis, and findings review; effort depends on scope | 30-90 min | 1-4 h | 2-8 h |
Participantsdifferent | Architecture experts and stakeholders for scenarios and weighting | 2-8 | 3-8 | 2-8 |
Formatsame | Workshop + async | Workshop + async | Workshop + async | Workshop + async |
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 | Constraint List, Hard/Soft Classification, Option Impact Notes, Decision Boundaries | Problem Statement, Cause Hypotheses, Confirmed Causes, Action Plan | Problem Analysis, Decision Analysis, Risk Plan |
Tagsno overlap | ArchitectureChangeAnalysisComparisonQuality | ConstraintsDecisionPlanningOptions | Root causeProblem solvingQualityIncident | Problem solvingRoot causeDecisionOperations |