Computer Science ›› 2021, Vol. 48 ›› Issue (1): 287-294.doi: 10.11896/jsjkx.191200124

• Information Security • Previous Articles     Next Articles

Integrated Emergency-Defense System Based on Blockchain

SHAO Wei-hui1, WANG Ning1, HAN Chuan-feng2, XU Wei-sheng3   

  1. 1 Education Technology and Computing Center,Tongji University,Shanghai 200092,China
    2 Sustainable Development and New-type Urbanization Think-tank,Tongji University,Shanghai 200092,China
    3 School of Electronics and Information Engineering,Tongji University,Shanghai 201804,China
  • Received:2019-12-20 Revised:2020-06-05 Online:2021-01-15 Published:2021-01-15
  • About author:SHAO Wei-hui,born in 1988,Ph.D,Engineer.His main research interests include educational informatization,big data and blockchain.
  • Supported by:
    National Natural Science Foundation of China(61773292,71841036,61973238) and Research Project of Shanghai Science and Technology Commission(19DZ1209200).

Abstract: The emergency-defense system of China is decentralized,lacking information communication channels and coordination mechanisms.This condition results to low mobilization efficiency,resource scheduling conflicts and poor coordination perfor-mance,which highlights the urgency to upgrade the capacity of integrated emergency-defense system.In response to this situation,this paper studies the integrated emergency-defense mechanism with the expert system as the supervisory decision-making layer and the P2P(Peer-to-Peer) network as the autonomous decision-making layer.Based on the location,time and category of emergency response events or national defense events,a three-dimensional blockchain model is established to describe resource scheduling problems in different situations.Considering the difference between the integrated emergency-defense scenario and the conventional peer-to-peer transaction scenario,a consensus mechanism based on credit certificate is designed.Finally,an integrated emergency-defense blockchain prototype system of limited nodes to participate is built on Ethereum.Simulation results of the prototype system prove that the blockchain based integrated emergency-defense mechanism is reasonable and feasible.

Key words: Integrated emergency-defense system, Fusion mechanism, Resource allocation, Blockchain

CLC Number: 

  • TP312
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