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A Novel Classified Ledger Framework for Data Flow Protection in AIoT Networks
Security and Communication Networks ( IF 1.968 ) Pub Date : 2021-02-19 , DOI: 10.1155/2021/6671132
Daoqi Han 1 , Songqi Wu 1 , Zhuoer Hu 1 , Hui Gao 1 , Enjie Liu 2 , Yueming Lu 1
Affiliation  

The edge computing node plays an important role in the evolution of the artificial intelligence-empowered Internet of things (AIoTs) that converge sensing, communication, and computing to enhance wireless ubiquitous connectivity, data acquisition, and analysis capabilities. With full connectivity, the issue of data security in the new cloud-edge-terminal network hierarchy of AIoTs comes to the fore, for which blockchain technology is considered as a potential solution. Nevertheless, existing schemes cannot be applied to the resource-constrained and heterogeneous IoTs. In this paper, we consider the blockchain design for the AIoTs and propose a novel classified ledger framework based on lightweight blockchain (CLF-LB) that separates and stores data rights at the source and enables a thorough data flow protection in the open and heterogeneous network environment of AIoT. In particular, CLF-LB divides the network into five functional layers for optimal adaptation to AIoTs applications, wherein an intelligent collaboration mechanism is also proposed to enhance the across-layer operation. Unlike traditional full-function blockchain models, our framework includes novel technical modules, such as block regenesis, iterative reinforcement of proof-of-work, and efficient chain uploading via the system-on-chip system, which are carefully designed to fit the cloud-edge-terminal hierarchy in AIoTs networks. Comprehensive experimental results are provided to validate the advantages of the proposed CLF-LB, showing its potentials to address the secrecy issues of data storage and sharing in AIoTs networks.

中文翻译:

用于AIoT网络中数据流保护的新型分类帐框架

边缘计算节点在以人工智能为基础的物联网(AIoT)的发展中起着重要作用,该物联网融合了传感,通信和计算功能,以增强无线无处不在的连接性,数据采集和分析功能。凭借完全的连接性,AIoT的新云边缘终端网络层次结构中的数据安全性问题日益凸显,为此,区块链技术被认为是一种潜在的解决方案。然而,现有方案无法应用于资源受限的异构物联网。在本文中,我们考虑了AIoT的区块链设计,并提出了一种基于轻量级区块链(CLF-LB)的新颖分类账本框架,该框架在源头分离并存储数据权利,并在AIoT的开放和异构网络环境中实现全面的数据流保护。特别是,CLF-LB将网络分为五个功能层,以最佳地适应AIoT应用,其中还提出了一种智能协作机制来增强跨层操作。与传统的全功能区块链模型不同,我们的框架包括新颖的技术模块,例如区块重新生成,迭代增强的工作量证明以及通过片上系统有效地上传链,这些都是经过精心设计以适合云计算的AIoTs网络中的边缘终端层次结构。
更新日期:2021-02-19
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