Journal of Korean Society of Water and Wastewater (상하수도학회지)

The Korean Society of Water and Wastewater (대한상하수도학회)
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The case study on wireless lan design technique for Bansong purification plant using network integrated management system and security switch

네트워크 통합관리시스템과 보안스위치를 이용한 반송정수장 무선랜 구축사례

  • Park, Eunchul (Management Information System Dept, K-water) ;
  • Choi, Hyunju (Department of Mathematics Science and Computer(MSC), Kyungnam University)
  • 박은철 (한국수자원공사, 정보관리처) ;
  • 최현주 (경남대학교 교양융합대학 MSC교육부)
  • Received : 2018.06.01
  • Accepted : 2018.07.04
  • Published : 2018.08.15
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Abstract

Currently, the commercialization of the $5^{th}$ Generation (5G) service is becoming more prevalent in domestic communication network technology. This has reduced communication delay time and enabled large-capacity data transmission and video streaming services in real-time. In order to keep pace with these developments, K-water has introduced a smart process control system in water purification plants to monitor the status of the water purification process. However, since wireless networks are based on the public Long Term Evolution (LTE) network, communication delay time remains high, and high-resolution video services are limited. This is because communication networks still have a closed structure due to expense and security issues. Therefore, with 5G in its current form, it is very difficult to accommodate future services without improving the infrastructure of its communication networks. In recognition of these problems, this study implemented the authentication and management function of wireless networks on a wired network management system in the K-water Bansong water purification plant. The results confirmed that wired Local Area Network (LAN) services give a higher security performance than an expensive commercial wireless LAN system. This was achieved by using an Internet Protocol (IP) address management system of wired networks and the packet filtering function of the Layer2 (L2) switch. This study also confirmed that it is possible to create a wireless LAN service that is 3.7 times faster than the existing LTE communication network.

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References

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