A fun day in the world of fibre connectivity

Subject: General Tech | June 30, 2015 - 12:56 PM |
Tagged: fibre optics

Two records were recently made with fibre optic connections, one for speed and one for length.  Researchers at Huawei and Proximus, who operate out of Belgium, recently transmitted data over a 1,040km fiber link at 1.4Tbps using Proximus' optical backbone.  Even more impressive for the network geeks out there was the spectral efficiency of the transmission, at 5.7 bits per second per Hertz, a new record for these researchers to be proud of.

Not to be out done, and putting Ryan's Ethernet run to shame, is a link that spanned 12,000 km (7,456 miles) without a repeater.  Certainly not at the speeds in the aforementioned link but a huge step in extending the reach of fibre based networks without the problems associated with simply increasing the strength of the signal.

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"Proximus and Huawei have successfully trialled a super-channel optical signal, flinging out information at up to one terabit per second (Tbps)."

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Source: The Register

Fibre at 32 gigabits per second comes a little closer

Subject: General Tech | December 9, 2013 - 12:47 PM |
Tagged: interconnect, fibre optics, 32 Gbps, HPC

With new emphasis on building modular HPC machines from multitudes of low powered processors working in parallel interconnect technology needs to provide immense amounts of bandwidth.   This is becoming much closer to reality as 32 Gbps channel is undergoing standardization and will likely be quickly accepted and certified.  Products using this standard are still a year or more from market but will likely be quickly adopted by companies who depend on large arrays of VMs.  According to the roadmap on The Register 64 Gbps is already starting development with 2016 as a possible goal for its standardization process to begin.

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"The Association has let it be known that the “INCITS T11 standards committee has recently completed the Fibre Channel Physical Interface - sixth generation (FC-PI-6) industry standard for specifying 32 Gigabit per second (Gbps) Fibre Channel and will forward it to the American National Standards Institute (ANSI) for publication in the first quarter of 2014."

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Source: The Register