Journal of the Korea Society of Computer and Information (한국컴퓨터정보학회논문지)

Korean Society of Computer Information (한국컴퓨터정보학회)
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A robust execution scheme for Ethereum blockchain application services

  • Kwon, Min-Ho (Dept. of Electrical/Electronic and Computer Engineering, University of Ulsan) ;
  • Lee, Myung-Joon (Dept. of Electrical/Electronic and Computer Engineering, University of Ulsan)
  • Received : 2020.02.26
  • Accepted : 2020.03.16
  • Published : 2020.03.31
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Abstract

In this paper, we propose a robust execution scheme for Ethereum blockchain application services which provide continuous services and support recovery even in the case of failures of those services. As of now, blockchain services are rapidly expanding to all industries and being combined with various infrastructure services of public institutions. But if these services fail in disastrous situations such as earthquakes, floods and terrors or various hacking attacks, the aftermath is very serious and its side effects are difficult to assess. To resolve this issue, we develop the service registry as a smart contract of the Ethereum blockchain, which provides useful information on the services to users even in disasters. With the help of the service registry, we also present a method of replicating services on the basis of the ETCD distributed storage system. The proposed scheme is confirmed by the test service developed by the proposed techniques.

본 논문에서는 이더리움 블록체인 응용 서비스의 실패에도 지속적인 서비스 제공 및 복구를 지원하는 견고한 실행 기법에 대해 제안한다. 현재 블록체인 응용서비스는 전 산업으로 급속히 확장되고 있으며 공공 기관의 다양한 인프라 형태의 서비스와 결합하고 있다. 그러나 만약 지진, 홍수 및 테러와 같은 재난이나 다양한 해킹 공격과 같은 상황에서 이러한 서비스가 실패하게 될 경우 그 여파는 매우 심각하며 그 부작용을 가늠하기 어렵다. 이를 해결하기 위하여 재난 상태에서도 사용자에게 응용 서비스에 대하여 유용한 정보를 제공하는 서비스 레지스트리를 블록체인의 스마트 컨트랙트로 개발하고, 이를 기반으로 분산 저장소인 ETCD를 이용한 서비스 복제 기법을 제시하며, 제시한 기법을 시범적인 응용 서비스에 적용하여 그 유용성을 확인한다.

Keywords

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