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Selected:C4 ModelService BlueprintingLASR (Lightweight Approach for Software Reviews)A3 Problem Solving
| Criterion |  Architecture C4 Model |  UX Design Service Blueprinting |  Architecture LASR (Lightweight Approach for Software Reviews) |  Operations A3 Problem Solving |
|---|---|---|---|---|
Purposedifferent | 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. | When a service experience is spread across several touchpoints, it brings frontstage and backstage together. It shows where user contact and internal responsibility must fit. | 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. | 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 | Low | High | Medium | Medium |
Timedifferent | 1-4 h | 0.5-2 Tage | 3–4 h for initial assessment; preparation and deeper analysis additional | 45-90 min |
Participantsdifferent | 1-5 | 6-12 | 1 or a small team; particularly suitable for 3–4 people | 2-5 |
Formatdifferent | Workshop + async | Workshop | Workshop + async | Workshop + async |
Outputdifferent | Context Diagram, Container Diagram, Component Diagram | Service Blueprint, Fail Points, Ownership Map | 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 | A3 Report, Action Plan, Root Cause Analysis |
Tagsno overlap | ArchitectureCommunicationVisualization | Service designOperationsJourneyBlueprint | ArchitectureQualityRiskAssessmentLean | LeanProblem solvingCoachingOperations |