Telecom Providers Agree on Next Generation of 40 Gbps PON

SANTA CLARA, CA - The Full Service Access Network (FSAN) organization - a group of 85 leading telecom providers worldwide - have agreed on a common approach for the next generation of passive optical network (PON) technology. PON is the architecture used by most providers that deploy fiber to the home, and FSAN has been responsible for key recommendations on previous generations of PON.

Over the last several years, industry experts have argued about whether the next generation of PON should use time-division multiplexing (TDM), as previous generations of PON have done, or wavelength-division multiplexing (WDM), which allows potentially greater bandwidths. The FSAN members decided that both approaches were needed. They agreed on a time- and wavelength-division multiplexed (TWDM) solution with optional WDM overlay extensions.

The new approach, NG-PON2, will increase PON capacity to at least 40 Gbps and deliver services of 1 Gbps or more with platforms that could be deployable in 2015. It is designed to meet a broad range of communications needs, including business and mobile backhaul applications as well as residential access. This means that NG-PON2 can support increased capacity, higher light-to-port ratios, improved interoperability and enhanced services.

The FSAN decision took into consideration operators' network requirements, the planned time frames for their next-generation deployments and technology risk. By agreeing to this focused direction, industry efforts and NG-PON2 standardization work can progress through contributions to ITU-T Study Group 15 - Question 2 Access Working Group (Q2/SG15). The International Telecommunication Union, or ITU, is the organization that will actually set the new standard for the NG-PON2 architecture and technology.

“FSAN made significant progress during its late June meeting in Santa Clara, Calif., when the group focused on developing draft text for the NG-PON2 Requirements and Physical Media Dependent Layer specifications,” says FSAN Chair Martin Carroll of Verizon. “If rapid progress can continue to be made, standards could be ratified as early as 2013, which will give the industry a clear path to more advanced, highly capable broadband access networks.”

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