Japanese researchers achieve speed of 319Tbit/s over 3001km via fiber
Researchers at the Japanese National IT Institute have established a new internet speed record using fiber optics. At long-distance 319Tbit/s transmission was obtained by the researchers.
The previous world record of 178Tbit/s was set by British and Japanese researchers last year but has been nearly doubled by NICT employees from Japan. Researchers have utilized a four-core and 0.125 mm diameter optical fiber cable. The transmission bandwidth was greater than 319Tbit/s. Based on wavelength division multiplexing (combining multiple optical channels on a single fiber optic cable).
An S-band was also employed by the researchers who last year recorded 178Tbit/s although at just 40 kilometers away. NICT records of 319Tbit/s were reached over an extensive 3001-kilometer span. They state that over this distance they did not measure signal loss or delays in speed. According to NICT, theoretically, a normal fiber infrastructure can be compatible with the technology employed, but the modification of such a network would first be required.
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Meanwhile my ISP refuses to upgrade my upload speed beyond 12mb while I have 120mb download...
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Yah i have 400mbit that only 20mbit up, and my isp 1gbit is still 20mbit up an price jump from 400 to 1gbit is extra $40 month, can you image what we would be charge for such speeds? not that we have storage that could even cope with such speeds and even if we did it probably cost limb or 2
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Crazy stuff when you stop to consider that even ultra-high end enterprise kit runs around 100-400Gb/s. Obviously this article's tech is geared at ISP usage for backbone or otherwise but it is still insane to think that that sort of throughput is even possible.
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While impressive speeds its all thanks to their use of 4 core fiber that they have made. While the fiber can be interesting, especially if its commercially viable, its basically a fancy spacial division multiplexing, so not that groundbreaking concept.
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Call of Duty developers:
"Compression and optimization? Let's forget about it!"