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Selected:Game DayFailure Mode and Effects AnalysisLASR (Lightweight Approach for Software Reviews)Root Cause Analysis
| Criterion |  DevOps Game Day |  Operations Failure Mode and Effects Analysis |  Architecture LASR (Lightweight Approach for Software Reviews) |  Operations Root Cause Analysis |
|---|---|---|---|---|
Purposedifferent | In preparing for rare incidents, the method tests response capability under controlled conditions. It shows where assumptions about stability, roles, and recovery are too optimistic. | 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. | 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. | When a problem keeps recurring and the cause stays unclear, the method exposes the underlying mechanism. It separates symptom, guess, and robust explanation from one another. |
Complexitydifferent | High | High | Medium | Medium |
Timedifferent | Halber Tag | 2-6 h | 3–4 h for initial assessment; preparation and deeper analysis additional | 1-4 h |
Participantsdifferent | 5-20 | 3-10 | 1 or a small team; particularly suitable for 3–4 people | 3-8 |
Formatdifferent | Workshop | Workshop | Workshop + async | Workshop + async |
Outputdifferent | Simulation Notes, Gaps List, Updated Runbooks | FMEA Table, Risk Priority, Mitigation 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 | Problem Statement, Cause Hypotheses, Confirmed Causes, Action Plan |
Tagsno overlap | ResilienceOperationsIncident | RiskQualityOperationsRoot cause | ArchitectureQualityRiskAssessmentLean | Root causeProblem solvingQualityIncident |