With ADSL the signal on your line is not shared with other users. Telephone wires, on the other hand, are physically secure. The backbone networks for ADSL carry composite signals for a few hundred consumers at 155 Mbps and up. A television channel has an effective throughput of only about 24 Mbps, greatly limiting its effectiveness under heavy use by hundreds of cable modems. Although cable networks cover 90 percent of the homes in the U.S., they do not serve many businesses.
Telephone networks are ubiquitous.
It's not enough. Projections show that the number of DSL users will surpass those of cable modems within the next year or so. In 1995 he co-founded Diamond Lane Communications Corporation, which was acquired this past March by Nokia, where Hawley is now chief technology officer for the High Speed Access Business Unit.