Linux® Routing

Cable Modems

Cable television networks, outside of the public switched telephone network, are likely the most common networks used by home users. This marketing aspect combined with the infrastructure to create broadband cable networks is an excellent combination for data networking applications.

The cable modem is the hardware used to connect to the Internet through the cable provider’s network. Traditional cable networks were uni-directional by nature, and data networking is bi-directional; however, cable providers have long needed the capability to transmit upstream information to provide additional services based upon conventional cable technology, such as pay-per-view. The bandwidth and technology designed to provide this upstream channel ...