40Gb/s DWDM goes commercial

 Huawei has announced the launch of its OptiX BWS 1600A/G 40 Gb/s DWDM solutions. The company is stressing that its new OptiX BWS 1600G and OptiX BWS 1600A DWDM solutions allow both 10Gb/s and 40Gb/s systems to co-exist and cooperate within the same equipment. As a result, the solutions are designed not only to meet the carriers' 40Gb/s bandwidth demand but also to deliver a smooth evolution. The claimed flexibility of this configuration is promoted by Huawei as meeting various traffic demands and resolving the related technical problems and continual challenge operators face in managing the increasing amounts of traffic.


Telecom carriers have continually requested a 40G per wavelength DWDM system to carry more traffic, feature higher aggregation, and further reduce network operation, administration and maintenance costs when compared to the 10G per wavelength DWDM system. The recent increase in traffic means that upgrading a 10G per wavelength system to a 40G per wavelength one will be a prerequisite to any new piece of WDM backbone equipment for operators (as of September 2005 Huawei had completed the building of over 300,000 km of DWDM backbones around the world).

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