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Selected:Failure Scenario AnalysisArchitecture Communication CanvasLASR (Lightweight Approach for Software Reviews)C4 Model
| Criterion |  Engineering Failure Scenario Analysis |  Architecture Architecture Communication Canvas |  Architecture LASR (Lightweight Approach for Software Reviews) |  Architecture C4 Model |
|---|---|---|---|---|
Purposedifferent | In critical processes, it is not enough to plan only for the normal case. Failure Scenario Analysis looks at the path into failure and shows which failures, chains, and control gaps cause the most damage. | The Architecture Communication Canvas plans architecture communication so the right people receive the right message. The method turns technical complexity into deliberate communication design. | 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. | 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 | Medium | Medium | Low |
Timedifferent | 1-3 h | 60-120 min | 3–4 h for initial assessment; preparation and deeper analysis additional | 1-4 h |
Participantsdifferent | 3-8 | 2-8 | 1 or a small team; particularly suitable for 3–4 people | 1-5 |
Formatdifferent | Workshop | Workshop + async | Workshop + async | Workshop + async |
Outputdifferent | Failure Scenarios, Risk Notes, Control Gaps, Test and Response Actions | Communication Canvas, Stakeholder Messages, Architecture Communication Plan | 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 | Context Diagram, Container Diagram, Component Diagram |
Tagsno overlap | FailureResilienceRisk | ArchitectureCommunicationStakeholdersCanvas | ArchitectureQualityRiskAssessmentLean | ArchitectureCommunicationVisualization |