Summary
xDSL is the competitive response of telcos and some ISPs to cable operators offering high-speed data service. ADSL will be offered by telephone companies around the world. It leverages their existing wiring, an embedded investment on the order of a trillion dollars. It will also be offered by alternative providers such as ISPs, CAPs, and IXCs over nonservice-carrying wire, known as dry copper or burglar alarm wire. The unbundling of local loops is a requirement of the Telecommunications Act of 1996, which affords alternative carriers access to dry copper. Table 4-6 summarizes the challenges and facilitators to xDSL becoming a successful RBB network.
The next chapter addresses high-speed advancements beyond xDSL, including Fiber to the ...
Get Residential Broadband, Second Edition now with the O’Reilly learning platform.
O’Reilly members experience books, live events, courses curated by job role, and more from O’Reilly and nearly 200 top publishers.
