As prices of DSL decrease, the popularity for ISDN will also decrease. Cable modems are devices that attach to the cable TV network connection in a home. This broadband technology is being driven by the cable companies to provide services beyond traditional broadcast cable TV such as Internet access. Potential bandwidth estimates range upwards of 30Mbps from the service provider to subscriber. Cable modems are primarily used for consumer service.
Cable networks are inherently different in design than telephone networks.
Cable networks are broadcast oriented, meaning with each subscriber in an area receiving the same signals as all others in that area. Cable services is a shared connectivity medium, very similar to a LAN, meaning the more users connected, the slower the connection speed will be. Cable can also create serious security hazards due to the shared environment. A 5 megabyte file is the size of many MP3's or installable programs that you might download. Race the Internet with a Velocity DSL plan to fit your needs.