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NTT Announces "Edge-computing" Concept and "Edge-accelerated Webplatform" Prototype to Improve Response Time of Cloud Applications

TOKYO, Feb. 4, 2014 /PRNewswire/ -- Nippon Telegraph and Telephone Corporation (NTT; TSE: 9432, NYSE: NTT) revealed on February 4 the "Edge-computing" concept which can reduce the cloud application response time by factor of 100 at most, and demonstrated its first research outcome, the "Edge-accelerated Web platform" prototype. The research and development effort leading up to the announcement has been carried out as a part of the company's strategic plan, "Accelerating Innovation and Collaboration for the Next Stage" (*1) , and is expected to open up a new era of applications for "Smart Life and Smart Work".

(Image; figure 1:

Although cloud services and their use by devices such as smartphones have become quite the norm today, they are increasingly and inevitably facing the problems of poor scalability and slow response time due to their dependence on sole remote servers that may be located far away, possibly across an ocean and on the other side of the planet. Because of the finite speed of light, it takes several hundred milliseconds to interact over the Pacific Ocean, for example. These problems hinder the most promising applications to be widely deployed, such as intelligent transport control systems (ITS) and games that necessitate real-time response time, and the M2M services that will impose huge data traffic loads on the data center.

The edge computing platform solves the problems by the simple idea of locating small servers called edges-servers in the vicinity of the users and devices and passing to the servers some of the load of center servers and/or user's devices. The following benefits are expected.

  • Executes real-time applications that require high-speed response at the nearer edge-servers which will satisfy the severe real-time requirement. The communication delay is shortened to a few milliseconds, not a several hundred milliseconds.
  • Locally confines regional data processing of M2M/big data applications that incur large data traffic to edge-servers, and reduces network bandwidth.
  • Offloads some of the computation intensive processing on the user's device to edge servers and makes application processing less dependent on the device's capability. It is possible to run applications faster and improve the user's experience.

As a result, the edge-computing platform makes it possible to implement new and attractive applications that require real-time responses along with regional M2M/big data transactions.

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Typical applications that have the former requirement include ITS or AR and those that have the latter requirement include smart buildings/houses and city management.

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Through the spread of the edge computing platform, we will accelerate collaboration with ICT partners and aim at activating the market for new applications.

As the first instance that realizes the edge-computing concept, we have developed the "edge-accelerated Web platform (EAWP)"; it enables Web applications to run on edge severs. EAWP is a Web application execution framework that takes full advantage of the features of the edge computing. This platform relieves the user's device from having to process the entire Web application by distributing processing loads to the edge server close to the users and devices. In consideration of the background that Web applications and their developers are rapidly increasing, our development of this platform allows Edge-computing developers to use HTML standards to develop high performance applications.

The following are the key features of EAWP

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  • The loads of heavy web application processes such as Web content evaluation and rendering are split and distributed among edge-servers and the user's device. This distribution yields high-speed Web applications whose performance is made less dependent on the capability of the user's device.
  • The distribution method and data transfer method are optimized according to the user's environment, such as device capability and the networking environment, such as fixed or mobile. For example, the processing of objects, such as images and sounds, are dynamically allocated to devices or edge-servers to suit the user's environment, and resolution and frame rate are controlled to suit the networking environment.
  • EAWP provides an execution environment equivalent to other Web engines that conform to HTML standards. Therefore, existing Web applications can be run in this distributed Web-based platform without being rewritten.

We will aim at business development from 2014 in Japan toward the realization of our vision. In addition, we will explore new applications, and extend the edge-computing platform. In parallel, we will establish the edge-computing market at the global level by forming alliances with network carriers, content providers, cloud business, etc.

Our future activity is shown in

About Nippon Telegraph and Telephone Corporation:
Headquarter: Chiyoda-ku, Tokyo
President & CEO: Hiroo Unoura,

Shigemi Mori
PR Section
NTT Science and Core Technology Laboratory Group
Nippon Telegraph and Telephone
Tel: +81-46-240-5157
e-mail: [email protected]

SOURCE Nippon Telegraph and Telephone Corporation (NTT Corp.)

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