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Selected:LASR (Lightweight Approach for Software Reviews)Architecture Decision RecordC4 ModelFailure Mode and Effects Analysis
| Criterion |  Architecture LASR (Lightweight Approach for Software Reviews) |  Architecture Architecture Decision Record |  Architecture C4 Model |  Operations Failure Mode and Effects Analysis |
|---|---|---|---|---|
Purposedifferent | 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. | The C4 Model makes a system legible across several resolution levels, from context down to code. It suits situations where different audiences need to understand the same architecture from different altitudes. | 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 | Low | Low | High |
Timedifferent | 3–4 h for initial assessment; preparation and deeper analysis additional | 15-45 min | 1-4 h | 2-6 h |
Participantsdifferent | 1 or a small team; particularly suitable for 3–4 people | 1-3 | 1-5 | 3-10 |
Formatdifferent | Workshop + async | Async | Workshop + async | Workshop |
Outputdifferent | 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 | Context Diagram, Container Diagram, Component Diagram | FMEA Table, Risk Priority, Mitigation Actions |
Tagsno overlap | ArchitectureQualityRiskAssessmentLean | ArchitectureRationaleDocumentationGovernance | ArchitectureCommunicationVisualization | RiskQualityOperationsRoot cause |