Journal of Korean Society of Industrial and Systems Engineering (산업경영시스템학회지)

Society of Korea Industrial and System Engineering (한국산업경영시스템학회)
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Simulator Design and Performance Analysis of BADA Distributed Consensus Algorithm

BADA 분산합의 알고리즘 시뮬레이터 설계 및 성능 분석

  • Kim, Young Chang (Electronics and Telecommunications Research Institute) ;
  • Kim, Kiyoung (Electronics and Telecommunications Research Institute) ;
  • Oh, Jintae (Electronics and Telecommunications Research Institute) ;
  • Kim, Do Gyun (Department of Industrial Engineering, Ajou University) ;
  • Choi, Jin Young (Department of Industrial Engineering, Ajou University)
  • Received : 2020.11.23
  • Accepted : 2020.12.11
  • Published : 2020.12.31
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Abstract

In recent years, importance of blockchain systems has been grown after success of bitcoin. Distributed consensus algorithm is used to achieve an agreement, which means the same information is recorded in all nodes participating in blockchain network. Various algorithms were suggested to resolve blockchain trilemma, which refers conflict between decentralization, scalability, security. An algorithm based on Byzantine Agreement among Decentralized Agents (BADA) were designed for the same manner, and it used limited committee that enables an efficient consensus among considerable number of nodes. In addition, election of committee based on Proof-of-Nonce guarantees decentralization and security. In spite of such prominence, application of BADA in actual blockchain system requires further researches about performance and essential features affecting on the performance. However, performance assessment committed in real systems takes a long time and costs a great deal of budget. Based on this motivation, we designed and implemented a simulator for measuring performance of BADA. Specifically, we defined a simulation framework including three components named simulator Command Line Interface, transaction generator, BADA nodes. Furthermore, we carried out response surface analysis for revealing latent relationship between performance measure and design parameters. By using obtained response surface models, we could find an optimal configuration of design parameters for achieving a given desirable performance level.

Keywords

Acknowledgement

This work was supported by Electronics and Telecommunications Research Institute(ETRI) grant funded by the Korean government [No. 2018-0-00201, Development of High Confidence Information Trading Platform Based on block chain (PON algorithm)].

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