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Fujitsu to Enhance Distributed Processing on Servers Aiding Large-scale Datacenters

Thursday, November 5, 2015

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FREMONT, CA: Fujitsu Laboratories announces the development of technology that maximizes the optical communication distance between servers to 200 meters. The new optical transmission structure can reduce modal dispersion and double the transmission distance over existing fiber-optic cables.

Optical signals are analyzed in two different methods. Fujitsu has adopted ray tracing analysis for the lens and the propagation mode analysis for the optical waveguide and multimode fiber.  The company has developed technology for integrated analysis of propagation-mode changes from the lens to intermediary optical waveguide and multimode fiber, respectively. The latest technology developed by Fujitsu inserts an intermediary optical wave guide between the lens and optical fiber to minimize modal dispersion in existing multimode fibers.

Scaling of datacenter processing capabilities by adding new servers increases the communication distance between them. Servers find difficulty in communicating over long distances using only electrical communications. Optical interconnects have the potential to increase communications speed and bandwidth. Fiber-optic cables used to connect servers are called multimode fibers, and transmit data at the speed of 25Gbps for a maximum distance of 100 meters.

Fujitsu’s latest technology can double the maximum distance coverage of optical communications at the transmission rate of 25Gbps and inflate the number of connected servers by four-fold. This will help data centers to increase their distributed processing efficiency among servers.

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