Diagram that illustrates a simplified road network serving as a metaphor for traffic flow in a transport network. It consists of: 1. **Highways**: Two or three major highways running horizontally across the image, representing the Aggregation/Transport Layer. These highways are depicted as straight, wide roads to emphasize their capacity for handling high volumes of traffic. 2. **Access Points**: Alongside the highways, there are access points represented by smaller roads leading into the Ver más