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| Criterion |  Decision Making PERT Estimation |  Architecture Views and Beyond |  Architecture LASR (Lightweight Approach for Software Reviews) |  Architecture arc42 |
|---|---|---|---|---|
Purposedifferent | On complex initiatives, a plain average tends to understate just how uncertain the outcome really is. It separates options, evaluation criteria, and open risks. The result is captured as a PERT Estimate, Expected Value, and Risk Notes. | Views and Beyond organizes architecture into several views so no single diagram has to do everything at once. This makes it possible to choose the representation that fits the stakeholder's question. | 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. |
Complexitydifferent | Medium | Medium | Medium | Low |
Timedifferent | 15-45 min | 1-3 Tage | 3–4 h for initial assessment; preparation and deeper analysis additional | 1-2 Tage |
Participantsdifferent | 1-8 | 1-4 | 1 or a small team; particularly suitable for 3–4 people | 1-4 |
Formatsame | Workshop + async | Workshop + async | Workshop + async | Workshop + async |
Outputdifferent | PERT Estimate, Expected Value, Risk Notes | Architecture Views, Cross-view Notes, Rationale | 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 |
Tagsno overlap | EstimationUncertaintyRisk | DocumentationStakeholdersArchitecture | ArchitectureQualityRiskAssessmentLean | ArchitectureDocumentationCommunication |