[April 07, 2017] |
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NTT Communications to Deploy 400Gbps Optical Transmission System for Data Center Network Connections
NTT (News - Alert) Communications Corporation (NTT Com), the ICT solutions and
international communications business within the NTT Group, announced
today that they will begin deploying an ultra-large-capacity,
space-saving and energy-saving 400Gbps (400G) optical transmission
system in data centers for network connection. Deployment will be
implemented sequentially from April 14th.
The system will raise the transmission capacity of NTT Com's core
network above 19Tbps per optical fiber, or more than double existing
capacity.
The system utilizes the advanced digital-signal processing technology
which is the result from Nippon Telegraph and Telephone Corporation
(NTT)'s R&D.
The main features and advantages of the 400G system are as follows: [Figure1]
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Top-level energy and space savings [Figure2]
The
new system reduces energy consumption per bps by 75% and space
requirements by 80% compared to the existing system. The savings were
achieved through a synergistic combination of advanced digital-signal
processing technology and 16nm complementary metal-oxide semiconductor
(CMOS) technology. Energy-saving integrated circuits can be
constructed rapidly, enabling transmitters to be quickly deployed even
in confined spaces at data centers.
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More than double existing transmission capacity
The new system
achieves more than double the transmission capacity per optical fiber
compared to its predecessor system. To generate 400G signals, the
system utilizes NTT's research result :16 quadrature amplitude
modulation (QAM) for both phase and amplitude, and sub-carrier
multiple transmission.
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New OTN and 400GbE interfaces
In connection with the deployment,
NTT Com will offer new optional network services for enterprises,
including the sequential launch of OTN interfaces (OTU2, TU2e and
OTU4) mainly for wholesalers and data center users, and a 400GbE
interface incorporating framing technology compatible with OTUCn which
is the result from NTT's R&D.
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Dis-aggregation architecture
To deliver new services and
functions with even greater speed and flexibility, NTT Com will
combine SDN technologies and dis-aggregation architecture, which can
be redeployed as required according to function or module, replacing
existing high-function, all-in-one dedicated equipment.
Going forward, NTT Com and NTT will jointly investigate further
possibilities, including the deployment of PoC to deliver high-speed
Ethernet signals, including 400GbE. Mindful of IEEE (News - Alert) standardization
trends, they will pursue increased flexibility and agility for
transmission networks by leveraging dis-aggregated equipment and SDN
technologies.
Background NTT Com achieved its existing 100Gbps-per-channel
optical transmission system through the early adoption of digital
coherent optical transmitting technology in response to rapidly
increasing traffic on its core optical fiber network, as well as
expanding video data and cloud services. NTT Com has now taken practical
steps to upgrade to 400G transmission technology due to ever-increasing
network demands for higher speeds and more data, including for 4K/8K and
other high-resolution video data, the full-fledged expansion of IoT and
big-data processing.
Related links: Press release http://www.ntt.com/en/about-us/press-releases/news/article/2015/20150319.html
About NTT Communications (News - Alert) Corporation NTT Communications
provides consultancy, architecture, security and cloud services to
optimize the information and communications technology (ICT)
environments of enterprises. These offerings are backed by the company's
worldwide infrastructure, including the leading global tier-1 IP
network, the Arcstar Universal One™ VPN network reaching 196
countries/regions, and over 140 secure data centers worldwide. NTT
Communications' solutions leverage the global resources of NTT Group
companies including Dimension Data (News - Alert), NTT DOCOMO and NTT DATA. www.ntt.com
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About Nippon Telegraph and Telephone Corporation NTT Group
delivers advanced technology and innovative solutions in networking,
software communications, and cloud computing that help transform
businesses, governments and societies around the world. NTT Group will
deliver convenient, enriched and reliable services to support customers
as a "Value Partner" that its customers will continue to select. NTT
R&D is creating new value by open innovation and collaboration
initiatives. Under the NTT R&D vision of developing cutting-edge
technologies that contribute to the advancement of society, science and
industry, NTT has approximately 2,500 researchers engaging in a wide
range of diverse research activities, from basic research to R&D that
supports the business development initiatives of operating companies.
View source version on businesswire.com: http://www.businesswire.com/news/home/20170406006402/en/
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