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강현주,박혜숙,안병준,이순석,Kang, H.J.,Park, H.S.,Ahn, B.J.,Lee, S.S. 한국전자통신연구원 2010 전자통신동향분석 Vol.25 No.6
네트워크 가상화가 과거 공중망을 사설망으로 사용할 수 있도록 가상화시켜 보안성과 함께 망을 분리하는 개념으로 쓰이다가 최근 클라우드 컴퓨팅과 미래 인터넷 기술의 등장으로 모든 자원을 가상화하여 사용자들에게는 편의를, 비즈니스 측면에서는 인프라와 서비스 제공자의 분리를 통한 새로운 마켓 창출을 위한 주요한 기술로 요구되고 있다. 이에 띠라, 본 고에서는 현재까지 기상 네트워크망에서 각 서비스 기술이 요구하는 가상화와 네트워크 가상화에 대해 알아보고 통신 장비를 개발하는 입장에서 네트워크 가상화를 위해 진행되는 일과 앞으로 진행될 방향을 다룬다.
이동통신망을 이용한 지리 기반 재난경보서비스의 국가별 동향 분석
강현주,주상임,오승희,정우석,H.J. Kang,S.L. Ju,S.H. Oh,W.S. Jung 한국전자통신연구원 2023 전자통신동향분석 Vol.38 No.3
Governments intend to use the public warning system to deliver timely and accurate information using accessible communication technologies for protecting the population and reducing damage to life and property. In particular, many countries implement system interworking with smartphones to notify of disasters or emergencies. In Korea, since 2020, due to the influence of the coronavirus disease, frequent emergency text messages led people to turn off related notifications, and complaints for receiving irrelevant messages from nearby warning areas have increased. Therefore, technical improvements for issuing more accurate disaster information to a specific region should be devised through a geography-based emergency disaster message transmission service. We analyze development trends of public warning systems and service cases of geography-based emergency text transmission services in various countries.
안윤영,김성혜,정상진,강현주,An, Y.Y.,Kim, S.H.,Jeong, S.J.,Kang, H.J. 한국전자통신연구원 2020 전자통신동향분석 Vol.35 No.1
This paper describes an IoT-based electrical safety management system for managing the electrical power distribution systems in factories or buildings and for managing private electrical devices in apartment complex. The IoT-based electrical safety management system collects IoT data from the electrical facilities or devices to provide various electrical safety services. In some cases, it uses an IoT adaptor to collect data from legacy facilities. By monitoring and analyzing the IoT data, it is possible to provide protection from and prevent electrical hazards. In addition, an IoT-based electrical safety management system can benefit from using the IoT identification system and standardized data model of the electrical facilities and devices. An IoT identification system is used to increase manageability of large-scale electrical facilities which consists of numerous IoT devices. A standardized data model is used to support interoperability. This paper also explores some international and Korean standards related to IoT-based electrical safety management.