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Selected:Failure Scenario Analysisarc42LASR (Lightweight Approach for Software Reviews)Architecture Decision Record
| Criterion |  Engineering Failure Scenario Analysis |  Architecture arc42 |  Architecture LASR (Lightweight Approach for Software Reviews) |  Architecture Architecture Decision Record |
|---|---|---|---|---|
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. | arc42 structures architecture knowledge so teams can document system, decisions, and risks consistently. The template builds a living understanding of the architecture instead of scattered notes. | 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. |
Complexitydifferent | Medium | Low | Medium | Low |
Timedifferent | 1-3 h | 1-2 Tage | 3–4 h for initial assessment; preparation and deeper analysis additional | 15-45 min |
Participantsdifferent | 3-8 | 1-4 | 1 or a small team; particularly suitable for 3–4 people | 1-3 |
Formatdifferent | Workshop | Workshop + async | Workshop + async | Async |
Outputdifferent | Failure Scenarios, Risk Notes, Control Gaps, Test and Response Actions | Architecture Document, Context View, Runtime View, Deployment View | 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 |
Tagsno overlap | FailureResilienceRisk | ArchitectureDocumentationCommunication | ArchitectureQualityRiskAssessmentLean | ArchitectureRationaleDocumentationGovernance |