基于区块链的云计算资源去中心化交易共识机制研究

计算机科学 ›› 2019, Vol. 46 ›› Issue (11A): 548-552.

所属专题：区块链技术

基于区块链的云计算资源去中心化交易共识机制研究

梁贺君¹, 韩景倜²

(上海海洋大学工程学院上海201306)¹;
(上海财经大学金融科技研究院上海 200433)²

出版日期:2019-11-10 发布日期:2019-11-20
通讯作者: 韩景倜(1959-),男,教授,博士生导师,主要研究方向为区块链、大数据等,E-mail:liang.hejun@shufe.edu.cn。
作者简介:梁贺君(1982-),男,博士后,讲师,CCF会员,主要研究方向为区块链技术、云计算与大数据、智慧物流。
基金资助:
本文受国家社科基金重大项目基金(18ZDA088)资助。

Research on Decentralized Transaction Consensus Mechanism of Cloud Computing Resources Based on Block Chain

LIANG He-jun¹, HAN Jing-ti²

(College of Engineering Science and Technology,Shanghai Ocean University,Shanghai 201306,China)¹;
(Institute of Financial and Technology,Shanghai University of Finance and Economics,Shanghai 200433,China)²

Online:2019-11-10 Published:2019-11-20

摘要/Abstract

摘要： 区块链的去中心化、去信任、数据可追溯等技术特性,为云计算发展带来了新的机遇与挑战。传统的中心化数据中心,用户通过网络带宽资源从数据中心获取计算、存储、数据库等资源,这种模型下存在中心化机构运行成本高、效率低以及数据存储不安全等问题。为此,文中提出了去中心化的云计算交易机制与方法,构建了基于区块链的云计算资源交易市场,重点研究了共识机制在云计算去中心化交易市场中的应用。通过分析比较目前主流的区块链共识算法(PoS,PoW,DPoS,PBFT),提出基于实用拜占庭容错算法(PBFT)改进的算法,对以太坊应用于联盟链时会产生的资源浪费与信任缺失等缺点进行优化,从而达到减少开销的目的,并将改进算法应用到云计算资源去中心化交易市场中。文中提出了在云计算资源交易中引入区块链技术,采用去中心化和去信任的方式集体维护一个可靠分布式数据库,设计了基于以太坊的共识机制,能够构建全球联网计算机算力交易平台,真正实现云计算资源的弹性可扩展与按需分配。

关键词: 共识机制, 区块链, 实用拜占庭容错算法, 以太坊, 云计算交易

Abstract: The technical characteristics of de-centered,de-trust,data complete and traceable of block chain provide brand-new opportunity and challenge for cloud computing.Users get computing,storage,database and other resources from the traditional centralized data center through network.There are many problems under this model,such as high operating cost,low efficiency,unsafe data storage and so on.In this paper,a de-centered cloud computing trading mechanism and method was proposed to build a cloud computing resource trading market based on block chain technology,focusing on the application of consensus mechanism in the central cloud computing trading market.Through the analysis and comparison of the popular block chain consensus algorithms (Pos,PoW,DPoS,PBFT),this paper proposed the improved practical byzantine fault-tolerant algorithm (PBFT),which is employed to optimize the disadvantages of resource waste and trust loss when the etheric square is applied to the alliance chain,so as to reduce the cost,and apply the improved algorithm to the central trading market of cloud computing resources.This paper proposed to introducte block chain technology in cloud computing resource trading,and collectively maintain a reliable distributed database by means of de-centered and de-trust.The design of a consensus mechanism based on Ethernet can build a global Internet computing power trading platform,thus realizing the elastic scalability and on-demand allocation of cloud computing resources.

Key words: Block chain, Cloud computing transactions, Consensus mechanism, Etheric fang, Practical Byzantine fault-tolerant algorithm

中图分类号:

TP301

梁贺君, 韩景倜. 基于区块链的云计算资源去中心化交易共识机制研究[J]. 计算机科学, 2019, 46(11A): 548-552. https://doi.org/

LIANG He-jun, HAN Jing-ti. Research on Decentralized Transaction Consensus Mechanism of Cloud Computing Resources Based on Block Chain[J]. Computer Science, 2019, 46(11A): 548-552. https://doi.org/

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基于区块链的云计算资源去中心化交易共识机制研究

Research on Decentralized Transaction Consensus Mechanism of Cloud Computing Resources Based on Block Chain

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