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| Criterion |  Architecture C4 Model |  Architecture LASR (Lightweight Approach for Software Reviews) |  Innovation Design Sprint |  Architecture arc42 |
|---|---|---|---|---|
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. | 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 the product question is unclear and time pressure is high, the method takes a team from an open idea to a testable solution. It connects problem understanding, decision, and learning in one compact format, lowering the risk of spending a lot of energy on a mere guess. | 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. |
Complexitydifferent | Low | Medium | High | Low |
Timedifferent | 1-4 h | 3–4 h for initial assessment; preparation and deeper analysis additional | 4-5 Tage | 1-2 Tage |
Participantsdifferent | 1-5 | 1 or a small team; particularly suitable for 3–4 people | 5-8 | 1-4 |
Formatdifferent | Workshop + async | Workshop + async | Workshop | Workshop + async |
Outputdifferent | Context Diagram, Container Diagram, Component Diagram | 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 | Prototype, Test Findings, Decision Rationale | Architecture Document, Context View, Runtime View, Deployment View |
Tagsno overlap | ArchitectureCommunicationVisualization | ArchitectureQualityRiskAssessmentLean | Design sprintPrototypeValidationInnovation | ArchitectureDocumentationCommunication |