The challenge is how to maintain social infrastructure such as distribution services and bank ATMs in the event of a communication failure.
Under these circumstances, there is a movement among major telecommunications companies to utilize the lines of competitors to maintain services for users.
KDDI's large-scale communication failure that occurred in July affected a total of more than 30.91 million people, hindering the use of social infrastructure such as corporate logistics systems, bank ATMs, and bus IC card payments. I was.
For this reason, KDDI has decided to provide companies and local governments with services that can use competitors' NTT Docomo and Softbank lines as backups in the event of a failure.
When a failure is detected, it will automatically switch to another company's line, and you will be charged only for the amount you use, which means that you can keep costs down compared to contracting each line separately.
KDDI's Kazuhiro Noguchi, General Manager of the 5G/IoT Planning Department, said, "As a company that has experienced a communication failure, we thought it was necessary to prepare options for customers. talking
NTT Communications will also start a service from this month that will switch to KDDI's line in the event of a failure in addition to the group's DoCoMo line.
As for countermeasures against communication failures, discussions are underway at the study group of the Ministry of Internal Affairs and Communications toward the introduction of "roaming" that allows mobile phone users to use the communication networks of other companies.