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| Criterion |  Architecture LASR (Lightweight Approach for Software Reviews) |  Operations RACI Matrix |  Architecture arc42 |  Operations A3 Problem Solving |
|---|---|---|---|---|
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. | With unclear responsibilities across several roles or areas, the method creates unambiguous accountability logic. It reduces friction because decision, execution, contribution, and information become separately visible. | 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. | For a complex deviation with several people involved, the method bundles problem, analysis, and decision onto one page. It creates a shared working space where causes, countermeasures, and follow-up fit together. |
Complexitydifferent | Medium | Low | Low | Medium |
Timedifferent | 3–4 h for initial assessment; preparation and deeper analysis additional | 45-90 min | 1-2 Tage | 45-90 min |
Participantsdifferent | 1 or a small team; particularly suitable for 3–4 people | 2-8 | 1-4 | 2-5 |
Formatsame | Workshop + async | Workshop + async | Workshop + async | Workshop + async |
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 | RACI Matrix, Responsibility Map, Decision Notes | Architecture Document, Context View, Runtime View, Deployment View | A3 Report, Action Plan, Root Cause Analysis |
Tagsno overlap | ArchitectureQualityRiskAssessmentLean | RolesResponsibilityGovernanceOperations | ArchitectureDocumentationCommunication | LeanProblem solvingCoachingOperations |