Journal of Digital Convergence (디지털융복합연구)

The Society of Digital Policy and Management (한국디지털정책학회)
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Blockchain-based multi-IoT verification model for overlay cloud environments

오버레이 클라우드 환경을 위한 블록체인 기반의 다중 IoT 검증 모델

  • Jeong, Yoon-Su (Department of information Communication Convergence Engineering, Mokwon University) ;
  • Kim, Yong-Tae (Department of multimedia, Hannam University) ;
  • Park, Gil-Cheol (Department of multimedia, Hannam University)
  • 정윤수 (목원대학교 정보통신융합공학부) ;
  • 김용태 (한남대학교 멀티미디어학과) ;
  • 박길철 (한남대학교 멀티미디어학과)
  • Received : 2021.01.25
  • Accepted : 2021.04.20
  • Published : 2021.04.28
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Abstract

Recently, IoT technology has been applied to various cloud environments, requiring accurate verification of various information generated by IoT devices. However, due to the convergence of IoT technologies and 5G technologies, accurate analysis is required as IoT information processing is rapidly processed. This paper proposes a blockchain-based multi-IoT verification model for overlay cloud environments. The proposed model multi-processes IoT information by further classifying IoT information two layers (layer and layer) into bits' blockchain to minimize the bottleneck of overlay networks while ensuring the integrity of information sent and received from embedded IoT devices within local IoT groups. Furthermore, the proposed model allows the layer to contain the weight information, allowing IoT information to be easily processed by the server. In particular, transmission and reception information between IoT devices facilitates server access by distributing IoT information from bits into blockchain to minimize bottlenecks in overlay networks and then weighting IoT information.

최근 IoT 기술이 다양한 클라우드 환경에 적용되면서 IoT 장치에서 생성되는 다양한 정보의 정확한 검증 기술이 필요하게 되었다. 그러나, IoT 기술 및 5G 기술의 융합으로 인하여 IoT 정보 처리가 빠르게 처리되면서 정확한 분석이 요구되고 있다. 본 논문은 오버레이 클라우드 환경을 위한 블록체인 기반의 다중 IoT 검증 모델을 제안한다. 제안 모델은 지역 IoT 그룹 내 포함된 IoT 장치에서 송·수신되는 정보의 무결성을 보장하면서 오버레이 네트워크의 병목현상을 최소화하기 위해서 IoT 정보를 n비트의 블록체인으로 2계층(n+1 계층과 n-1 계층)을 추가 분류하여 IoT 정보를 다중 처리하고 있다. 또한, 제안 모델은 n계층에 가중치 정보를 k개의 블록이 포함하도록 함으로써 IoT 정보가 서버에서 손쉽게 처리하도록 하였다. 특히, IoT 장치간 송·수신 정보는 오버레이 네트워크에서 병목현상을 최소화하도록 n비트의 IoT 정보를 블록체인으로 분산 처리한 후 IoT 정보에 가중치를 부여함으로써 서버 접근을 손쉽게 하도록 하였다.

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