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| Criterion |  Architecture C4 Model |  Operations 8D Problem Solving |  Architecture Software Architecture Canvas |  Operations Root Cause Analysis |
|---|---|---|---|---|
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. | For an acute quality or delivery problem, the method structures immediate protection and root cause work together. It keeps the situation stable while the actual cause is investigated cleanly. | The Software Architecture Canvas reduces a system to the most important architecture decisions, constraints, and interfaces. It is useful when teams need a resilient overall picture quickly. | When a problem keeps recurring and the cause stays unclear, the method exposes the underlying mechanism. It separates symptom, guess, and robust explanation from one another. |
Complexitydifferent | Low | High | Low | Medium |
Timedifferent | 1-4 h | 1-6 Wochen | 1-2 h | 1-4 h |
Participantsdifferent | 1-5 | 4-10 | 3-10 | 3-8 |
Formatdifferent | Workshop + async | Workshop + async | Workshop | Workshop + async |
Outputdifferent | Context Diagram, Container Diagram, Component Diagram | 8D Report, Containment Plan, Root Cause Evidence, Corrective Action Plan | Architecture Canvas, Goals, Constraints, Quality Attributes | Problem Statement, Cause Hypotheses, Confirmed Causes, Action Plan |
Tagsno overlap | ArchitectureCommunicationVisualization | QualityProblem solvingRoot cause | CanvasArchitectureAlignmentWorkshop | Root causeProblem solvingQualityIncident |