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  • Opened national integrated network service
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  • 2021/06/15
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Opened national integrated network service that integrates individual nets
- Creation of a pan-governmental network infrastructure capable of responding to the 4th industrial revolution -

The communications networks of government institutions, which had been operated individually, are integrated into the 'National Integrated Network, K-net+', to lead digital-based government innovation in response to the growing communications demands.

In this regard, the Ministry of the Interior and Safety (MoIS) completed the implementation of the K-net+ Backbone Network*, which integrates the individual communications networks of 48 government institutions and the national information communication network (K-net), in April last year.

It was announced that the K-net+ service will be opened on the 15th of the month, starting with the National Human Rights Commission (NHRC).
* Backbone Network : High-speed exclusive net connection network that links major nodes

The K-net+ is the pan-governmental national communications network that integrates the information and communication networks that were individually established and operated by each institution.

Once the K-net+ is completed, we can expect
- response per communications demands,
- stable operation,
- and efficiency improvement as part of the benefits.

* First, it is expected that each institution will be able to flexibly respond to Big Data and Cloud demands, which are in increasing use.
* In addition, in the event of emergency, such as a disaster, it is possible to provide a stable national communications network service without interruption.
* Lastly, it will be possible to achieve the effect of reducing the communications costs budget through prevention of overlapping investment and the integration of redundant lines.

NIRS started the K-net+ project in September 2020 and completed the establishment of it in April 2021. In 2022, 3 phases would be taken for 48 institutions and K-net to be converted.

In the first phase, 22 institutions including NHRC will start using the K-net+ service. In the second phase, which will be executed in the second half of this year, 11 institutions including the Ministry of Science and ICT, and in the third phase, which will be carried on next year, 15 institutions, including the Ministry of Employment and Labor, will be converted to use the K-net+ service.

The K-net+ was built with two backbone networks (network1 : SK Broadband, network2 : LG U+) by dualizing internet service providers (ISPs) to implement safer communications network.

Network 1 consists of 38 nodes nationwide centered on cities and provinces, and Network 2 consists of a mesh method that connects 21 nodes nationwide centered on government buildings. Redundancy of nodes, lines, and equipment stability was enhanced by doing so.

In particular, by utilizing the new technology (SDN*) introduced into the K-net+, it is possible to quickly and flexibly expand lines according to the traffic increase of each institution.
(*SDN (Software Defined Network) : Technology that configures and manages networks with software)

In addition, the K-net+ Network Operations Center (NOC) is established to support rapid failure detection and response through monitoring the nets 24/7.

They support the operation by visualizing various network status through receiving transmission network management information from ISPs, providing customized network control services for each department, and cross-monitoring between client institutions.

In addition, it is possible to quickly identify the incident section in case an incident happens, through real-time line condition monitoring so that recovery time could be reduced as much as possible.

MoIS plans to complete the step-by-step conversion over 48 national institutions into the K-net+ by 2022, and to continuously discover and expand the use of new technologies, such as quantum cryptography communications.

Minister of MoIS, Mr. Jeon, Hae-cheol said, establishment of K-net+ has created an environment based on pan-governmental network capable of responding to the 4th industrial revolution. He ensured that the K-net+ would be successfully completed.


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