Optical Networking White Papers
Return Path Technologies and Options for Delivering Interactive Services
Overview
The increasing deployment of Internet access, video-on-demand and other two-way services requires operators to use the most efficient means possible to maximize the limited bandwidth
available in most hybrid fiber coax (HFC) systems. A network is only as strong as its weakest link, which makes the return-path portion of a system critical when preparing for the
delivery of two-way services.
The issue of return bandwidth becomes even more crucial in networks with minimal fiber counts. Because the return bandwidth is limited, it is inefficient to dedicate a single fiber to each return. Architectures that address these issues can make use of technologies such as Wave Division Multiplexing (WDM), block up conversion (frequency stacking), and digital
transmission. This paper addresses how these technologies can be applied to several common network architectures and defines which technology is best for each architecture discussed.
| Publisher | Harmonic | File Format | PDF, requires Acrobat Rdr 5 |
|---|---|---|---|
| Date Published | October 2000 | Downloads | 5 |
| Format | White Papers | ||
| Topics | |||
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