Regarding KDDI's large-scale communication failure in July this year, the Ministry of Internal Affairs and Communications' expert panel should strengthen the work management system in order not to repeat mistakes in the work procedure when replacing the equipment that caused the failure. I compiled a report that said
KDDI's large-scale communication failure that occurred on July 2 made it difficult to use voice calls and data communications nationwide for more than two and a half days. It has affected.
In the event of a serious accident, the Ministry of Internal Affairs and Communications held a verification meeting made up of university experts and others, and on the 7th, a report on KDDI's communication failure was published.
According to that, the cause of the failure was a mistake in the work procedure that occurred when replacing a communication device called a router for maintenance, but it cannot be said that the system to prevent human error like this was sufficient. , points out that the work management system should be strengthened.
In addition, in light of the fact that access has been concentrated on a part of the facility, the impact has spread and lasted for a long time, and it is requested that risk assessments and drills be conducted in advance assuming similar situations.
On the other hand, the report suggests that the provision of information to users was not sufficient, and that the industry as a whole should consider establishing rules regarding the method and frequency of publicity in the event of a communication failure.
In response to this, the Ministry of Internal Affairs and Communications plans to hold discussions with experts and business operators on how information should be transmitted in the event of a communication failure.