NTT Communications Corporation (NTT Com) has expanded the data-transmission capacity of its global IP network between Japan and the United States to 600 Gbps. NTT Com’s global IP backbones are connected to fixed and mobile telecom companies, Internet service providers (ISPs), data center operators and content providers, enabling customers to meet their growing needs for Internet capacity between Japan and the United States. The network, which is IPv4 and IPv6 dual-stuck, is one of NTT Com’s core IPv6 networks.

Demand for high-capacity bandwidth has been growing rapidly in recent years, reflected in the seven-fold increase in NTT Com’s Japan-U.S. bandwidth between 2005 and 2010. This latest jump – from 500 Gbps to 600 Gbps in four months – aims to cater to even stronger demand being generated in today’s cloud-computing, micro-blogging, social network and online media-intensive environment.

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