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Fujitsu unveils data transfer acceleration tech

Posted: 10 Apr 2014     Print Version  Bookmark and Share

Keywords:Fujitsu Laboratories  data-transfer acceleration  data centre  cloud  mobile 

Fujitsu Laboratories Ltd has created a technology for speeding data transfer that can be applied to various types of network environments used for cloud, mobile applications and other services. It uses data deduplication and compression to cut the volume of data transfers, enabling dramatically greater data transfer speeds with only software. In addition, the technology can increase effective data-transfer rates by 10 without the added cost of network upgrades, and can increase transfer speeds in a range of network environments between cloud data centres and end-user equipment.

Companies are increasingly positioning their business systems in the cloud and consolidating their servers into data centres. This is driving rapid growth in data transfer volume between multiple data centres as well as data centres and end-user equipment. While specialised hardware or network upgrades could speed up transfers, these are expensive approaches and cannot be easily deployed in cloud, virtual or mobile environments.

Previously, Fujitsu Laboratories conducted R&D on high-speed protocols as a way to accelerate data transfers. This is an effective method when a network's bandwidth is not being used to its full capacity. However, when bandwidth is fully utilised, solving problems such as network delays required network upgrades.

In order to accelerate transfers without upgrading networks, another effective approach is to reduce the volume of data being transferred. There are two techniques for doing this. One is data deduplication, where both sender and recipient save copies of data so that duplicated data transmission can be eliminated. The other is to compress data using file-compression technology. Data deduplication and compression technologies are already used in storage systems and specialised hardware for accelerating data transfers, and are effective in accelerating transfer rates. But implementing these technologies in software so that they can be used with mobile devices, for example, poses the following problems: Data deduplication relies on both sender and recipient to save copies of data, and this is difficult to implement on mobile devices that have limited storage capacity; and both deduplication and compression are processor-intensive, and on mobile devices that have limited CPU power, these techniques can slow down effective transfer rates.

Deduplication and compression

Deduplication and compression

Fujitsu has now developed high-speed data transfer technology that can effectively boost data transfer speeds even on mobile devices, using software to cut data volumes, leveraging data deduplication and compression technologies. Features of the technology are as follows.

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