1. A History of Broadband Networks

With almost 190 million twisted-pair copper loops as an embedded base in the U.S. telco market and over 650 million last-mile copper loops worldwide, telecommunications companies (telcos) worldwide have sought to deliver converged broadband services to expand and thrive. Historically, the limited range of different services that could be offered over a single local-loop access has been one of the largest obstacles telcos faced when attempting to expand their service portfolios. As multiservice broadband network architectures continue to evolve, as described in this book, telcos can deliver a far richer range of voice, video, and data services than ever before.

Historically, the term broadband was used to distinguish ...

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