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Research and Markets: Bandwidth Needs Analysis of the RBOCs' Advanced Access Architectures: FTTP and FTTN
[April 10, 2014]

Research and Markets: Bandwidth Needs Analysis of the RBOCs' Advanced Access Architectures: FTTP and FTTN

DUBLIN --(Business Wire)--

Research and Markets ( has announced the addition of the "Bandwidth Needs Analysis of the RBOCs' Advanced Access Architectures: FTTP and FTTN" report to their offering.

The Advanced Access Architecture thrusts of the major US carriers as one of the most important events in telecommunications history. As such, the authors have been periodically issuing major reports on the FTTP/FTTn activities of the RBOCs since it began in 2003. Earlier this year the authors issued Advanced Access Architectures 2008 AT&T, Verizon (News - Alert), and Qwest Plans and Forecasts, the most comprehensive of the authors reports on this subject. In recognition of the wide interest and deep importance of the FTTP/FTTN phenomena, the authors are now issuing a series of reports that focus on narrower aspects of Advanced Access Architectures. Specifically, this report focuses on the bandwidth needed in the access area and on ways to get that bandwidth.

Bandwidth (News - Alert) Needs Analysis of Advanced Access Architecture

Since Bell first decded to build outside plant, there has been a debate as to the best way to extend service the final mile. The debate continues now with the various FTTX schemes for bringing fiber to within various distances of the customer. In some ways, the debate really has not changed much it is still about the economics of each approach but in a very real way, the debate is different now. In the past, this debate was always about POTS and the economics of various way of providing it. Now it is still about economics, but it is also about maybe even more so alternative ways to meet requirements for bandwidth needed for some very exotic services. The question is not just, Which is cheaper? Also involved are such questions as, What services will I provide?" How many of each service will the customer need? How much bandwidth do I provide for these requirements? How will compression advances impact my choices? The answers to these questions guide the technology choices for the last mile now, at least, as much as economics.

While this was never a simple debate, the addition of the new unknowns about service requirements makes it a much more complex consideration. To see how complex, one just needs to note that the three (now two) major telcos - Verizon, AT&T and BellSouth (News - Alert) have studied this issue with all of their great resources and come up with three completely different answers.

So, what is the interest in the bandwidth capacity of local (access) networks? Several years ago, this would have been a moot point, with the answer being that the needed bandwidth was only what was necessary for a voice call. Now the local loop is carrying data and, most recently, television. With the desire for high- speed data driving ever-higher-bandwidth data services, and with video now in the equation, the need for bandwidth is a much more complex question.

This report provides the following:

  • A basis for forecasting access network bandwidth needs;
  • Specific forecasts for that bandwidth;
  • Description of the components of that needed bandwidth;
  • The basic drivers of bandwidth requirements;
  • A review of the loop architecture options for achieving the bandwidth;
  • Options that may be available to those architectures that are deficient.

For more information visit

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