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| Criterion |  Operations Bottleneck Analysis |  Architecture Architecture Communication Canvas |  Architecture Software Architecture Canvas |  Architecture C4 Model |
|---|---|---|---|---|
Purposedifferent | For a flow that backs up at one point, the method looks for the capacity limit with the greatest leverage. It explains why extra effort elsewhere barely improves throughput. | The Architecture Communication Canvas plans architecture communication so the right people receive the right message. The method turns technical complexity into deliberate communication design. | 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. | 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 | Low | Low |
Timedifferent | 1-3 h | 60-120 min | 1-2 h | 1-4 h |
Participantsdifferent | 3-8 | 2-8 | 3-10 | 1-5 |
Formatdifferent | Workshop + async | Workshop + async | Workshop | Workshop + async |
Outputdifferent | Bottleneck Map, Flow Metrics, Improvement Options, Follow-up Measures | Communication Canvas, Stakeholder Messages, Architecture Communication Plan | Architecture Canvas, Goals, Constraints, Quality Attributes | Context Diagram, Container Diagram, Component Diagram |
Tagsno overlap | FlowMeasurementConstraints | ArchitectureCommunicationStakeholdersCanvas | CanvasArchitectureAlignmentWorkshop | ArchitectureCommunicationVisualization |