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Selected:LASR (Lightweight Approach for Software Reviews)arc42SAAM (Software Architecture Analysis Method)C4 Model
| Criterion |  Architecture LASR (Lightweight Approach for Software Reviews) |  Architecture arc42 |  Architecture SAAM (Software Architecture Analysis Method) |  Architecture C4 Model |
|---|---|---|---|---|
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. | 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. | SAAM helps teams judge an architecture’s suitability for selected tasks and changes. It is particularly useful for examining modifiability and comparing architecture alternatives with clear reasoning. | 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. |
Complexitydifferent | Medium | Low | High | Low |
Timedifferent | 3–4 h for initial assessment; preparation and deeper analysis additional | 1-2 Tage | Preparation, scenario analysis, and findings review; effort depends on scope | 1-4 h |
Participantsdifferent | 1 or a small team; particularly suitable for 3–4 people | 1-4 | Architecture experts and stakeholders for scenarios and weighting | 1-5 |
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 | Architecture Document, Context View, Runtime View, Deployment View | Domain functions mapped to components and connections, Quality attributes and evaluation criteria, Typical tasks and their effects on the architecture, Reasoned evaluation or comparison of alternatives | Context Diagram, Container Diagram, Component Diagram |
Tags1 shared | ArchitectureQualityRiskAssessmentLean | ArchitectureDocumentationCommunication | ArchitectureChangeAnalysisComparisonQuality | ArchitectureCommunicationVisualization |