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Selected:Fault Tree AnalysisLASR (Lightweight Approach for Software Reviews)Architecture Communication Canvas
| Criterion |  Operations Fault Tree Analysis |  Architecture LASR (Lightweight Approach for Software Reviews) |  Architecture Architecture Communication Canvas |
|---|---|---|---|
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. | 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. | The Architecture Communication Canvas plans architecture communication so the right people receive the right message. The method turns technical complexity into deliberate communication design. |
Complexitydifferent | High | Medium | Medium |
Timedifferent | 2-6 h | 3–4 h for initial assessment; preparation and deeper analysis additional | 60-120 min |
Participantsdifferent | 3-8 | 1 or a small team; particularly suitable for 3–4 people | 2-8 |
Formatsame | Workshop + async | Workshop + async | Workshop + async |
Outputdifferent | Fault Tree, Critical Paths, Cause Hypotheses, Control Actions | 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 | Communication Canvas, Stakeholder Messages, Architecture Communication Plan |
Tagsno overlap | RiskRoot causeSafety | ArchitectureQualityRiskAssessmentLean | ArchitectureCommunicationStakeholdersCanvas |
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