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Selected:Barrier AnalysisLASR (Lightweight Approach for Software Reviews)SAAM (Software Architecture Analysis Method)Failure Mode and Effects Analysis
| Criterion |  Operations Barrier Analysis |  Architecture LASR (Lightweight Approach for Software Reviews) |  Architecture SAAM (Software Architecture Analysis Method) |  Operations Failure Mode and Effects Analysis |
|---|---|---|---|---|
Purposedifferent | For a risk that can only be managed through multiple layers of protection, the method examines the effectiveness of each barrier. It shows where safeguards are missing, too weak, or fail under real conditions. | LASR helps development teams identify where their software falls short of important quality goals and which improvements to consider. A small group with existing system knowledge can make an initial assessment and investigate open questions in more detail. | 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 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 | Medium | Medium | High | High |
Timedifferent | 2-4 h | 3–4 h for initial assessment; preparation and deeper analysis additional | Preparation, scenario analysis, and findings review; effort depends on scope | 2-6 h |
Participantsdifferent | 2-6 | 1 or a small team; particularly suitable for 3–4 people | Architecture experts and stakeholders for scenarios and weighting | 3-10 |
Formatdifferent | Workshop + async | Workshop + async | Workshop + async | Workshop |
Outputdifferent | Barrier Inventory, Failure Analysis per Barrier, Action Backlog | Lean Mission Statement describing the software’s purpose, Prioritized quality goals and evaluation criteria, Risks and estimated gaps against quality goals, More closely examined findings and open checks | 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 | FMEA Table, Risk Priority, Mitigation Actions |
Tagsno overlap | Root causeSafetyIncident | ArchitectureQualityRiskAssessmentLean | ArchitectureChangeAnalysisComparisonQuality | RiskQualityOperationsRoot cause |