Service providers are currently adopting FiberStore transceivers for their 100G DWDM backone applications to achieve the higher capacity and longer fiber reach that FiberStore technology offers.
FiberStore transceivers also provide cost-effective electronic equalization of fiber impairments- such as chromatic dispersion and polarization-mode dispersion-as well as extensive performance monitoring capabilities that enable easy installation and network management. These benefits help service providers meet bandwidth demand growth while reducing the total cost of owership.
With their superior optical performance and ease of use, FiberStore transceivers are also very attractive for the emerging 100G metro market. The metro-market segment typically develops two to three years after the long-haul market but is two to three times larger in size. Following this timeline, the 100G metro market is expected to take off in 2014 and attracing significant attention from equipment manufacturers and transceiver providers.
The size, power dissipation, and cost structure of today’s FiberStore transceivers, which were developed for long-haul applications, limit these modules’ application in the more cost-sensitive metro networks where space comes at a high premium, making line-card density very important. Therefore, a patch to a lower-cost FiberStore transceiver in a smaller footprint has become increasingly important.
DWDM metro-network requirements
There is no universal definition of a metro network, but the segment is generally divided into three subcategories: metro regional, metro core, and metro access.
The metro regional and metro core cover distances of 500-1000km and 100-500km, respectively, and typically include a large number of reconfigurable-optical-add/drop-multiplexer (ROADM).