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Selected:Fault Tree AnalysisBarcampLASR (Lightweight Approach for Software Reviews)ATAM (Architecture Tradeoff Analysis Method)
| Criterion |  Operations Fault Tree Analysis |  Facilitation Barcamp |  Architecture LASR (Lightweight Approach for Software Reviews) |  Architecture ATAM (Architecture Tradeoff Analysis Method) |
|---|---|---|---|---|
Purposedifferent | For a critical top event with several possible triggers, the method logically models failure paths. It makes visible which combinations of conditions can lead to damage. | When many people can contribute knowledge and the flow should stay open, Barcamp provides a framework for self-organized sessions. The format channels energy without defining the content too narrowly in advance. | 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. | 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. |
Complexitydifferent | High | Medium | Medium | High |
Timedifferent | 2-6 h | Halber Tag bis 2 Tage | 3–4 h for initial assessment; preparation and deeper analysis additional | Several meetings plus preparation and analysis; total effort depends on scope |
Participantsdifferent | 3-8 | 15-200 | 1 or a small team; particularly suitable for 3–4 people | Evaluation team, architects, and relevant stakeholders |
Formatdifferent | Workshop + async | Workshop | Workshop + async | Workshop + async |
Outputdifferent | Fault Tree, Critical Paths, Cause Hypotheses, Control Actions | Session Board, Session Notes, Community Learnings | 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 | Prioritized quality scenarios in a utility tree, Architecture risks with reasoning and assumptions, Sensitivity and trade-off points, Findings report with open investigations |
Tagsno overlap | RiskRoot causeSafety | FacilitationLarge groupLearning | ArchitectureQualityRiskAssessmentLean | ArchitectureQualityRiskTradeoffsStakeholders |