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Selected:Failure Mode and Effects AnalysisATAM (Architecture Tradeoff Analysis Method)ABC AnalysisLASR (Lightweight Approach for Software Reviews)
| Criterion |  Operations Failure Mode and Effects Analysis |  Architecture ATAM (Architecture Tradeoff Analysis Method) |  Operations ABC Analysis |  Architecture LASR (Lightweight Approach for Software Reviews) |
|---|---|---|---|---|
Purposedifferent | 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. | ATAM helps teams weigh architecture decisions when quality goals compete. The team considers business goals, stakeholder expectations, and technical decisions together. The evaluation shows which risks need further investigation. | With many similar objects of differing economic significance, the method prioritizes effort by effect. It separates what needs regular steering from what rarely needs attention. | 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. |
Complexitydifferent | High | High | Low | Medium |
Timedifferent | 2-6 h | Several meetings plus preparation and analysis; total effort depends on scope | 30-60 min | 3–4 h for initial assessment; preparation and deeper analysis additional |
Participantsdifferent | 3-10 | Evaluation team, architects, and relevant stakeholders | 1-5 | 1 or a small team; particularly suitable for 3–4 people |
Formatdifferent | Workshop | Workshop + async | Async | Workshop + async |
Outputdifferent | FMEA Table, Risk Priority, Mitigation Actions | Prioritized quality scenarios in a utility tree, Architecture risks with reasoning and assumptions, Sensitivity and trade-off points, Findings report with open investigations | ABC Classification, Focus Rules, Control List | 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 |
Tagsno overlap | RiskQualityOperationsRoot cause | ArchitectureQualityRiskTradeoffsStakeholders | PrioritizationOperationsPortfolio | ArchitectureQualityRiskAssessmentLean |