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Making Big Data Open in Edges: A Resource-Efficient Blockchain-Based Approach

机译:在边缘开放大数据:一种基于资源高效的基于区块链的方法

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摘要

The emergence of edge computing has witnessed a fast-growing volume of data on edge devices belonging to different stakeholders which, however, cannot be shared among them due to the lack of the trust. By exploiting blockchain's non-repudiation and non-tampering properties that enable trust, we develop a blockchain-based big data sharing framework to support various applications across resource-limited edges. In particular, we devise a number of novel resource-efficient techniques for the framework: (1) the PoC (Proof-of-Collaboration) based consensus mechanism with low computation complexity which is especially beneficial to the edge devices with low computation capacity, (2) the blockchain transaction filtering and offloading scheme that can significantly reduce the storage overhead, and (3) new types of blockchain transaction (i.e., Express Transaction) and block (i.e., Hollow Block) to enhance the communication efficiency. Extensive experiments are conducted and the results demonstrate the superior performance of our proposal.
机译:边缘计算的出现见证了属于不同利益相关者的边缘设备上的数据量快速增长,但是由于缺乏信任而无法在它们之间共享。通过利用区块链的不可否认和不可篡改属性来实现信任,我们开发了基于区块链的大数据共享框架,以支持资源有限的各种应用。特别是,我们为该框架设计了许多新颖的资源有效技术:(1)基于PoC(协作证明)的共识机制具有较低的计算复杂度,这特别有利于计算能力较低的边缘设备,( 2)可以显着减少存储开销的区块链交易过滤和卸载方案,以及(3)新型的区块链交易(即Express Transaction)和区块(即Hollow Block),以提高通信效率。进行了广泛的实验,结果证明了我们建议的优越性能。

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  • 作者单位

    Nanjing Univ Posts & Telecommun, Key Lab Broadband Wireless Commun & Sensor Networ, Nanjing 210003, Jiangsu, Peoples R China;

    Nanjing Univ Posts & Telecommun, Jiangsu High Technol Res Key Lab Wireless Sensor, Nanjing 210003, Jiangsu, Peoples R China|Shanghai Jiao Tong Univ, Dept Comp Sci & Engn, Shanghai 200240, Peoples R China;

    Univ Aizu, Sch Comp Sci & Engn, Aizu Wakamatsu, Fukushima 9658580, Japan;

    Hong Kong Polytech Univ, Dept Comp, Hong Kong, Peoples R China;

    Chongqing Univ Posts & Telecommun, Elect Informat & Networking Res Inst, Chongqing 400065, Peoples R China;

    Hohai Univ, Sch Comp & Infomat, Nanjing 210046, Jiangsu, Peoples R China;

    Shanghai Jiao Tong Univ, Dept Comp Sci & Engn, Shanghai 200000, Peoples R China;

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  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类
  • 关键词

    Big data; blockchain; collaborative edges; transaction offloading; consensus mechanism;

    机译:大数据;区块链;协作边缘;交易卸载;共识机制;

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