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Selected:Failure Scenario AnalysisLASR (Lightweight Approach for Software Reviews)Architecture Decision RecordFailure Mode and Effects Analysis
| Criterion |  Engineering Failure Scenario Analysis |  Architecture LASR (Lightweight Approach for Software Reviews) |  Architecture Architecture Decision Record |  Operations Failure Mode and Effects Analysis |
|---|---|---|---|---|
Purposedifferent | In critical processes, it is not enough to plan only for the normal case. Failure Scenario Analysis looks at the path into failure and shows which failures, chains, and control gaps cause the most 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. | An ADR permanently records an architecture decision with context, trade-offs, and consequence. It creates continuity for later changes because the decision path stays traceable. | 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 | Low | High |
Timedifferent | 1-3 h | 3–4 h for initial assessment; preparation and deeper analysis additional | 15-45 min | 2-6 h |
Participantsdifferent | 3-8 | 1 or a small team; particularly suitable for 3–4 people | 1-3 | 3-10 |
Formatdifferent | Workshop | Workshop + async | Async | Workshop |
Outputdifferent | Failure Scenarios, Risk Notes, Control Gaps, Test and Response 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 | ADR File, Decision Log, Rationale | FMEA Table, Risk Priority, Mitigation Actions |
Tagsno overlap | FailureResilienceRisk | ArchitectureQualityRiskAssessmentLean | ArchitectureRationaleDocumentationGovernance | RiskQualityOperationsRoot cause |