Research on Hierarchical Network Structure and Application of Blockchain

doi:10.3969/j.issn.1671-1122.2020.09.023

Abstract

Abstract:

The core problem in the application of blockchain peer-to-peer network in national defense is that the peer-to-peer flat blockchain network structure does not adapt to the hierarchical system. In this regard, this paper proposes the hierarchical network structure of blockchain, hierarchical consensus mode, hierarchical ledger structure and information classification and presentation mode. The simulation results show that the consensus mode of the proposed scheme changes from peer-to-peer consensus of the whole network nodes to consensus of the sibling nodes, which improves the consensus efficiency; the data flow realizes horizontal synchronization and vertical convergence through hierarchical associated ledgers; and the information protection realizes hierarchical and controlled protection.

Key words: blockchain, hierarchical network, hierarchical consensus, hierarchical ledger, data aggregation

CLC Number:

TP309

HAN Lei, CHEN Wuping, ZENG Zhiqiang, ZENG Yingming. Research on Hierarchical Network Structure and Application of Blockchain[J]. Netinfo Security, 2020, 20(9): 112-116.

Figures/Tables 4

References 12

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属性	层级网络结构	对等网络结构
节点关系	节点分级、父子关系	节点一致、对等关系
共识方式	兄弟节点层级共识	全网节点对等共识
账本结构	分层关联账本	全局账本
数据流向	同级广播、向上汇聚	全网广播
信息保护	分级共享、范围受控	全网共享、信息公开
数据存储	向上级汇聚多点存储	分布式对等多点存储
冗余抗毁	同级多点冗余抗毁	全网节点冗余抗毁
防篡改性	支持	支持
账本扩展	分层账本逐级扩大	单一账本各级相同

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