Menara Networks presents open IP video distribution system at OFC/NFOEC

March 26, 2009
MARCH 26, 2009 -- The company's OTN system in a pluggable XFP is designed to simplify the DWDM transport network and lower video distribution cost.

MARCH 26, 2009 -- Menara Networks (search Lightwave for Menara) has announced a demonstration of a low-latency, open, next-generation IP video distribution technology based on the company's DWDM OTN XFP systems and IP/Ethernet switching platforms at OFC/NFOEC 2009, San Diego, CA, March 24-26.

In the interoperability demonstration, high-definition video sources are streamed across a multinode IP network consisting of an Extreme Networks (search Lightwave for Extreme Networks) BlackDiamond Ethernet switch and Ericsson (search Lightwave for Ericsson) SmartEdge 400 multiservice edge router with 10-Gbps optical interfaces. The nodes are connected via two separate 10-Gbps DWDM wavelengths carrying 10GbE LAN PHY signals and running over a DWDM optical network. The DWDM optical network is comprised of standard singlemode fiber, optical amplifiers, and passive DWDM multiplexer/demultiplexer. The DWDM network loss and OSNR are controlled to degrade the optical signal and emulate a core metro or long-haul transmission network. The native video stream is transparently mapped into an ITU-T G.709 OTN frame and preprocessed for forward error correction and assigned to a separate DWDM wavelength via Menara Networks' DWDM OTN XFP without the need for the customary separate DWDM transponder system. When signal degradations akin to actual metro or long-haul networks are introduced to the network, the company says, Menara Networks OTN XFP modules effectively corrected for the errors resulting from the degradation and maintained an error-free video link with high quality of service. In contrast, a second video stream running over a separate DWDM wavelength without forward error correction on the same optical network was interrupted due to the excessive bit-error rate leading to a loss of video service.

"With integrated OTN transport solutions, video traffic can effectively be distributed over a wide area network, saving network operators substantial capital and operational cost associated with the external DWDM transponders typically used for this application," says Sri Nathan, Menara's vice president of business development. "Having OTN capability in a pluggable format further provides lower first cost and offers unprecedented flexibility to network planners."

"Video services continue to represent service providers' best opportunity for increasing revenue," says Eve Griliches, director of telecom equipment for IDC (search Lightwave for IDC). "This interoperability demonstration shows how integrated OTN transport can simplify IP delivery of video and other broadband services."

Menara will be conducting daily demonstrations March 24-26 in the company's Booth #3219 at the San Diego Convention Center.


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