Just as a human backbone carries the signal to many small nerves throughout the body, similarly a network backbone carries data to all the small big transmission lines.

A local backbone is called the main network line that connects many local area networks (LANs). The result is that a wide area network (WAN) is linked with a backbone connection.

This Internet, the ultimate wide area network, depends on a backbone to carry data for a long distance. These Internet backbones have many ultra-high bandwidth connections that link many different nodes worldwide.

These nodes route incoming data to smaller networks in the local region. The fewer “hops” your data needs to reach the backbone, the faster it can be sent to the target. This is why many web hosts and ISPs have direct connections with the Internet backbone.

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