NTT Communications Corporation (NTT Com) has expanded the data-transmission capacity of its global IP network between the United States and Japan to 400 Gbps. The new capacity, equivalent to approximately 24,000 channels of digital terrestrial TV, further enhances the company’s leadership in Tier-1 transpacific IP connectivity.

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 needs for Internet capacity. NTT Com has expanded bandwidth sevenfold compared to just five years ago, responding to new demand created by the spread of broadband networks and the growing popularity of online video, music, social networking and micro-blogging. The current jump from 300 Gbps to 400 Gbps was achieved in less than one year.

NTT Com launched the precursor of its current network service with a 45 Mbps service in 1997. U.S. – Japan bandwidth was dramatically increased to 1 Gbps when the company acquired Verio and its Tier-1 IP backbone in 2000. The reliability of the NTT Com network was demonstrated in December 2006, when network traffic was rerouted with minimal delay following a destructive undersea earthquake off Taiwan. In 2008, the company introduced a traffic-analysis system that monitors network traffic to detect and report traffic anomalies to IP network operators.

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