On November 12, 2021, KDDI published the contents of the new network operation base in Tama City, Tokyo.
The network operation base is to operate and monitor the network that the company has, such as a mobile phone network used for mobile phone services such as "au" in KDDI, and to respond in case of failure due to equipment failure or disaster.A place to do.KDDI has a network with a population cover rate of over 99%in a mobile phone, but it requires such an operation base to operate it 24 hours a day, 365 days a year.
The company's network operation base was originally in Shinjuku -ku, Tokyo, but it was relocated to Tama City.In addition, on November 12, 2021, when the public was released to the press, a new operation base was set up in Osaka City, Osaka Prefecture, and a system could be operated at two east -west bases.
To provide two network operations in two places, it can be said that a backup when one of the bases can no longer be used due to disasters can be said to enhance the reliability of the network.The reason why the base of Tokyo was moved to Tama City is that the risk of earthquakes is low, and the risk of disaster is low because it is 111m above sea level and on a hill on the city center.
It is thought that Tama City has judged that the operation base is appropriate to avoid risks as much as possible in places near the city center, as it is necessary to protect the network.Of course, the building itself has a mechanism to reduce the effects of the disaster, and under the floor, a laminated rubber that suppresses the vibration caused by the earthquake and an oil damper that suppresses the shaking after the convergence of the earthquake.It has a structure.
In addition, the facility is provided in an emergency generator in preparation for a long -term power outage, and fuel to move it is also stockpile.It seems that there is a system that can continue to work on business even when a large -scale disaster occurs.
In the building, there is an air conditioning equipment for cooling the network facilities in the facility, but the system seems to be environmentally friendly.Specifically, a cavity called "equipment voice" is provided in the middle of the building, cooled air from the outside, cooled, and drained warm air into the equipment voice, so that the heat is released to the outside.It is said that it is taking.
Of course, the outside air gets hot in the summer, so it is difficult to use the outside air, so it seems that normal air conditioning equipment is also provided, but in winter, power consumption can be reduced, so it is certain that there are benefits.Yes.
Another feature is that the network operation base that was shown this time is that all of the operations have been automated.According to Yoritoshi Kamiuchi, director of the KDDI Engineering Executive Officer Operation and Maintenance Business Division, the operating of the conventional network facilities depends on the equipment such as network equipment and servers.It is said that the operation by people was mainly used.
However, while the network is closely related to life and the social importance is increasing, new technologies such as 5G and virtualization have appeared and the network is becoming more advanced and complex, so in the future it is in operation by people.It is possible to reach the limit.Mr. Kamiguchi said that he was aiming to operate a network equipment that does not depend on the hands of people.
However, in order to realize the automation, Mr. Kamiguchi said that it was the "craftsman's skill".As I mentioned earlier, the operating of the network is handled by the engineers in each facility, but it was common for the person in charge to use a method that the person in charge was braided from many years of experience.It seems to be.
In fact, in the conventional network operation, if the device is impaired, the alarm will be notified by the alarm, and the person in charge will check the range and parts of each person, and the information controllers who manage the information on the entire network will be required.We provided the way to deal with it.However, in order to investigate the cause, it is necessary to know what kind of part to examine in what order, and what kind of command to enter .... It is for individual personnel.It is said that it was accumulated.
As a result of KDDI's work to visualize the know -how of the work of each person in charge, such a "craftsmanship" was 2000 operations.Therefore, KDDI said that from 2016, by defining 40,000 system requirements so that these operations could be automated on the system, and based on that, a system to automate operation was realized.
In the automated system, the information such as obstacles sent from the device automatically examines the problem and identifies the problem.As a result, the dashboard has been centrally confirmed on the dashboard and the number of customers, and information from Twitter, and the recovery work can be made with one touch.。It is said that the recovery time was reduced by up to 40%.
Also, when the operation by conventional people was mainly operated, it was necessary to go to the monitoring center for the monitoring work, but with the realization of automation, we will aim to realize a system that can be monitored remotely in the future.It is still only a few tasks that have been remotely possible because of the demand for advanced security, but Mr. Kamiguchi said that he wanted to realize an early realization of a system that can monitor any location.。
While the importance of networks in life is increasing in the future, it is also true that the disaster due to climate change has recently progressed, and many communication equipment has been damaged every year.Also, as the NTT DOCOMO's communication failure of the other day has occurred from the IoT device, the evolution and complexity of the system are likely to cause failures at events that had not been assumed in the past.
That's why the importance of finding a network problem quickly and recovering early is higher than before.There is no doubt that the series of measures published by KDDI will be prepared for such a situation, and the company has also significantly increased portable base stations and emergency generators since the Great East Japan Earthquake.He seems to be actively promoting various obstacles.
And it must be remembered that the cost of improving networks and disaster countermeasures is naturally paid from the communication expenses we paid.In recent years, it has been attracting attention only to lower mobile charges and low -priced plans due to the Suga -mae administration, but if the revenue of the mobile phone company deteriorates, it may be affected in case of emergency.Shouldn't many people keep them in mind?