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Fujitsu Develops New Data Transfer Protocol Enabling Improved Transmissions Speeds

Fujitsu Develops New Data Transfer Protocol Enabling Improved Transmissions Speeds | TechWatch | Scoop.it

Fujitsu Laboratories Limited today announced the development of a new data transfer protocol that, by taking a software-only approach, can significantly improve the performance of file transfers, virtual desktops and other various communications applications.

 

Conventionally, when using transmission control protocol (TCP)(1)—the standard protocol employed in communications applications—in a low-quality communications environment, such as when connected to a wireless network or during times of line congestion, data loss (packet loss) can occur, leading to significant drops in transmission performance due to increased latency from having to retransmit data.

 

To address this problem, Fujitsu Laboratories has succeeded at a software-only approach, developing: 1) A new protocol that incorporates an efficient proprietarily developed retransmission method based on user datagram protocol (UDP)(2), an optimized way to deliver streaming media able to reduce latency resulting from data retransmission when packet loss occurs; 2) Control technology that addresses the problem of UDP transmissions consuming excess bandwidth by performing a real-time measurement of available network bandwidth and securing an optimal amount of communications bandwidth without overwhelming TCP's share of the bandwidth; and 3) Technology that, by employing the new protocol, makes it possible to easily speed up existing TCP applications without having to modify them.

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2.5 Terabits Per Second Downloads? Researchers Unveil Fiber Optic Transmission With a Twist!

2.5 Terabits Per Second Downloads? Researchers Unveil Fiber Optic Transmission With a Twist! | TechWatch | Scoop.it

An international team of researchers have managed to achieve data transmission speeds of 2.5 terabits per second by “twisting” light waves. They believe the same technique could also be used for more traditional wireless transmission.

 

The technique involves controlling the movement of light waves in two different ways: the spin angular momentum (which is already controlled in radio wave transmissions) and the orbital angular momentum (which has not previously been controlled.)

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