Report: Existing Optical Networks Poised For Improvements - InformationWeek

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Report: Existing Optical Networks Poised For Improvements

The huge surplus of optical networks will get a major revamping by network operators determined to build more flexible, automated metro-optical networks, according to a study from Heavy Reading market research.

The huge surplus of optical networks will get a major revamping by network operators determined to build more flexible, automated metro-optical networks, according to a study from Heavy Reading market research.

The limitations of conventional metro-dense wavelength division multiplexing (DWDM) networks will be overcome by newer and more sophisticated reconfigurable optical add/drop multiplexers (ROADMs), Heavy Reading said in its study released Tuesday. Moreover, the transformation of optical nets is already underway.

"Rollouts of triple-play access infrastructure (data, voice, video) and business Ethernet services infrastructure will drive demand for reconfigurable optical network systems," said Heavy Reading's chief analyst Scott Clavenna in a statement. "The unique transport requirements of these services will force operators to move to a new generation of optical systems and architectures."

There's plenty of capacity in U.S. fiber-optic communication lines. At least 85 percent of the lines--most installed in the technology bubble in the late 1990s--are still dark, and many of the lighted lines are candidates for updating.

Heavy Reading noted that optical-to-electrical-to optical (OEO) technologies are also making a move into existing optical networks.

The market research firm said ROADMs are already being deployed or are under consideration for deployment by the majority of service providers.

Heavy Reading is the market research unit of Light Reading Inc.

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