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Cable Technology Feature Article

September 04, 2012

Aurora Networks Promotes Digital HFC Architecture in the Cable Industry

By Raju Shanbhag, TMCnet Contributor

Hybrid fiber-coaxial (HFC) is a telecommunications industry term for a broadband network which brings together optical fiber and coaxial cable. It has been used all over the world by cable television operators since the early 1990s. An HFC network may carry a variety of services, including analog TV, digital TV, Video on demand, telephony, and high-speed data by using frequency division multiplexing.

Recognizing this trend, Aurora Networks has examined the problems associated with this trend and analyzed the benefits of different architectures. The company has recommended Digital HFC (Hybrid Fiber Coax) architecture, as defined by Aurora Networks, as an optimal solution for cable operators.

When it comes to the last decade’s service growth and diversification, the cable industry’s HFC architecture has been the foundation. But traditional methods are no longer inexpensive as subscribers’ demand for premium services continues to increase. It is now clear that the HFC network needs to evolve and it is becoming increasingly costlier to break through each successive bandwidth bottleneck in the HFC network.

“As the industry continues to migrate to all IP, digital HFC architecture is a great solution to the bandwidth challenges," said John Dahlquist, vice president, marketing, Aurora Networks. “Digital HFC architecture allows operators to simplify the cost and complexity of their networks while maintaining their investment in the HFC network. When combined with a Fiber Deep architecture, no other solution is better positioned to save operators money, and simultaneously, solving the ever increasing bandwidth challenge.”

In 2011, the company announced that it was monitoring industry developments to assist cable operators make use of new opportunities.

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Edited by Brooke Neuman

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