卫星广播网络环境下区块链协议的初步研究

doi:10.19665/j.issn1001-2400.2020.05.003

Abstract

Abstract:

Low throughput has been the biggest obstacle to large-scale blockchain applications. During the past few years, researchers have proposed various schemes for improving the systems’ throughput. However, due to the inherent inefficiency and defects of the Internet, especially in data broadcasting tasks, these efforts have all proved unsatisfactory. In this paper, we propose a novel blockchain protocol which utilizes the satellite broadcasting network instead of the traditional Internet for data broadcasting and consensus tasks. An automatic resumption mechanism is also proposed to solve the unique communication problems of satellite broadcasting. Simulation results show that the proposed algorithm has a lower communication cost and can greatly improve the throughput of the blockchain system. Theoretical estimation of a satellite broadcasting enabled blockchain system’s throughput is 6 000 000 TPS with a satellite bandwidth of 20 Gbps.

Key words: blockchain, satellite broadcasting, throughput

CLC Number:

TP393

ZHANG Yinghao,LIU Xiaofan. Preliminary research on the blockchain protocol in satellite broadcasting network environment[J].Journal of Xidian University, 2020, 47(5): 11-18.

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Preliminary research on the blockchain protocol in satellite broadcasting network environment

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