Cryptographic Telecom Network Standard

Dr. Kim Hyung-soo (left) from KT was appointed as the editor in charge of standard development at the general meeting of the ITU-T 13Research Group held in Geneva Switzerland from July 16 to 27.
Dr. Kim Hyung-soo (left) from KT was appointed as the editor in charge of standard development at the general meeting of the ITU-T 13Research Group held in Geneva, Switzerland, from July 16 to 27.

KT and LG U+ announced on July 29 that quantum cryptographic telecommunication network technology proposed by seven companies and organizations in Korea including KT and LG U+ has been approved as an international standard in a standardization conference of the International Telecommunication Union (ITU) in Geneva, Switzerland. Dr. Kim Hyung-soo from KT was appointed as the editor in charge of standard development.

The technology approved as an international standard this time is a network structure and a function for quantum cryptographic telecommunication, an interface between transmission devices of quantum cryptographic telecommunication networks and service procedure technology. The standard also includes the structure of a 1-to-N quantum cryptographic test network built by KT with the Korean Institute for Science and Technology (KIST) in February.

In particular, the approval of this technology is quite meaningful in that developers laid the foundation for commercializing quantum cryptographic telecommunication by coming up with a method to establish quantum cryptographic telecommunication in a commercial telecommunication network and a scenario to fend off hacking attempts by using this international standard technology. For example, if a hacker tries to bug a major national telecommunication network, a quantum telecommunication network will detect it and at the same time, stop main services and immediately resume the services by connect them to a secured new line. It is forecast that in accordance with this scenario, it will be possible to build a stable quantum telecommunication structure that will enable people to use telecommunications seamlessly free from hacking threats.

The two telecom companies which have cooperated with domestic and overseas companies, academia and research institutes and global manufacturers, showed the possibility of open cooperation while pioneering a standard ecosystem in the Korean quantum cryptographic telecommunication industry.

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