The Journal of Korean Institute of Communications and Information Sciences (한국통신학회논문지)

The Korean Institute of Commucations and Information Sciences (한국통신학회)
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Implementation and Analysis of CoAP-Based Lightweight OpenADR2.0b protocol for Smart Energy IoT Environment

스마트 에너지 IoT를 위한 CoAP 기반 Lightweight OpenADR2.0b 프로토콜의 구현 및 분석

  • Received : 2017.02.15
  • Accepted : 2017.04.10
  • Published : 2017.04.30
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Abstract

For efficient energy usage, the concept of demand response has been emerged and thereby Open Automated D emand Response(OpenADR) protocol is developed as a standard protocol to provide automated demand response. There have been emerging trends on the demand response services using the Internet of Things(IoT) for smart h ome energy management. In this smart home energy IoT environment, a lightweight protocol is needed rather tha n the existing HTTP/ XML based OpenADR protocol for demand response services since many small devices wi ll be interconnected. In this paper, we propose a lightweight OpenADR protocol based on CoAP protocol for pro viding demand response service in Smart Energy IoT environment, implement the proposed CoAP-based protocol, and analyzed the performance compared to existing HTTP/ XML-based OpenADR 2.0b protocol.

효율적인 에너지의 사용을 위해 수요반응이라는 개념이 등장하였고 지능화 된 수요반응 서비스를 제공하기 위한 Open Automated Demand Response(OpenADR) 표준 프로토콜이 개발되었다. 최근 스마트 홈 중심의 에너지 Internet of Things (IoT) 분야에서도 사물인터넷 기술을 이용하여 다수의 스마트 홈 기기들에 수요반응 및 에너지 관리 서비스를 제공하려는 시도가 늘어나고 있다. 그러나 스마트 홈 에너지 IoT 환경에서는 많은 수의 초경량 디바이스들이 연결되기 때문에 기존의 HTTP/XML 기반의 OpenADR 수요반응 프로토콜보다 경량의 메시지를 이용한 수요반응 프로토콜이 필요하다. 본 논문에서는 Smart Energy IoT 환경에서 수요반응 서비스를 제공하기 위한 경량의 CoAP/JSON 프로토콜에 기반 한 경량화된 OpenADR 프로토콜을 제안하고 기존의 HTTP/XML 형식의 프로토콜과 성능을 비교 및 검증하였다.

Keywords

References

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