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Selected:C4 ModelCommunication PlanFailure Mode and Effects AnalysisLASR (Lightweight Approach for Software Reviews)
| Criterion |  Architecture C4 Model |  Delivery Communication Plan |  Operations Failure Mode and Effects Analysis |  Architecture LASR (Lightweight Approach for Software Reviews) |
|---|---|---|---|---|
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 many people need to be informed in parallel and messages would otherwise arrive unevenly or too late, a Communication Plan orders communication reliably. Channels, audiences, and cadences interlock so important information doesn't get lost. | For a process, product, or service with noticeable failure risks, the method assesses possible failure modes in advance. It directs attention to combinations of occurrence, effect, and detectability. | 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. |
Complexitydifferent | Low | Low | High | Medium |
Timedifferent | 1-4 h | 45-90 min | 2-6 h | 3–4 h for initial assessment; preparation and deeper analysis additional |
Participantsdifferent | 1-5 | 2-6 | 3-10 | 1 or a small team; particularly suitable for 3–4 people |
Formatdifferent | Workshop + async | Workshop + async | Workshop | Workshop + async |
Outputdifferent | Context Diagram, Container Diagram, Component Diagram | Communication Plan, Channel Matrix, Message Cadence | FMEA Table, Risk Priority, Mitigation Actions | 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 |
Tagsno overlap | ArchitectureCommunicationVisualization | CommunicationStakeholdersDeliveryPlanning | RiskQualityOperationsRoot cause | ArchitectureQualityRiskAssessmentLean |