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Unity (cable system)
Unity is a Trans-Pacific submarine communications cable between Japan and the United States that was completed in April 2010.
Unity comprises a 10,000 km linear cable system with a "multi-terabit" capacity of up to 7.68 Tbit/s.〔 Construction of the cable was funded by a consortium formed in February 2008 comprising Bharti Airtel, Global Transit, Google, KDDI Corporation, Pacnet and SingTel.〔Grahame Lynch "(Google plans new undersea "Unity" cable across Pacific )." ''CommsDay.com.'' September 21, 2007. Retrieved on September 21, 2007.〕 Unity's installation cost around US$300 million, and its completion increased Trans-Pacific cable capacity by around 20 per cent.〔
==History==
In February 2008 a consortium comprising Bharti Airtel, Global Transit, Google, KDDI Corporation, Pacnet and SingTel announced that they had executed agreements to build a high-bandwidth subsea fiber optic cable linking the United States and Japan, with an estimated construction cost of US$300 million.〔
A signing ceremony was held in Tokyo on February 23, 2008 at which the Unity consortium contracted NEC Corporation and Tyco Telecommunications to construct and install the system. NEC and Tyco began work on the project in June 2008. The cable reached Japan in November 2009. Testing of the cable was completed, and it became ready for service, in April 2010.
抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』
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