Japan-Russia undersea cable usage begins

Japan's NTT Communications and Russian backbone network operator TransTeleComCorporation announced that they have begun commercial operations today on the Hokkaido-Sakhalin Cable System (HSCS), and undersea cable extended between Nevelsk, Sakhalin in Russia and Ishikari, Hokkaido, Japan. The cable, which has a capacity of 640 Gbps, has been under construction since early last year, and was finished last December. The route helps NTT Com establish its shortest possible route between Japan and Europe. 

For more:
- see this press release at Light Reading