基于联盟链的跨组织数据交换操作一致性模型

doi:10.11896/jsjkx.230800145

摘要/Abstract

摘要： 在跨组织的数据共享与交换中,维护较强的操作一致性是实现有效的数据同步的重要技术保障。以区块链技术为基础,提出了一种提高跨组织数据交换操作一致性性能的模型,将联盟链作为写前日志,供数据库回溯未完成同步的数据,在联盟链中增设了指针结构,以降低回溯时长。同时,设计了链上存储请求的数据结构及共识算法,通过设置准入机制验证用户身份,保护数据安全以及用户隐私。最后通过仿真实验验证所提模型的有效性,并探讨了不同参数对相关性能指标的影响。结果表明,在不同的参数设定下,所提模型均能保障跨组织数据交换过程中的强一致性;且与基准模型相比,具有更高的请求执行效率;当链上数据量较大时,指针结构能够进一步提升模型性能。

关键词: 跨组织协作, 数据交换, 操作一致性, 系统可用性, 联盟链

Abstract: In the context of inter-organizational data sharing and exchange,maintaining strong operational consistency is a crucial technical foundation to achieve effective data synchronization.Based on blockchain technology,a model to enhance the operational consistency for inter-organizational data exchange is proposed.The model leverages a consortium blockchain as a write-ahead log,enabling databases to backtrack incomplete synchronizations.Within the consortium blockchain,a pointer structure is implemented to reduce the time required for backtracking.Additionally,data structures and consensus algorithms are designed for on-chain storage of requests.An access control mechanism is set up to verify user identities,ensuring data security and user privacy.Finally,simulation experiments are conducted to validate the reliability of the proposed model and explore the impact of a series of parameters on different evaluation metrics.The results indicate that under various parameter settings,the proposed model ensures strong operational consistency for inter-organizational data exchange.Furthermore,compared to existing baselines,it exhibits higher request execution efficiency.Moreover,the pointer structure further enhances the model’s performance,especially when there is a large amount of data stored on the chain.

Key words: Inter-organizational collaboration, Data exchange, Operational consistency, System availability, Consortium blockchain

中图分类号:

TP309

耿骞, 揣子昂, 靳健. 基于联盟链的跨组织数据交换操作一致性模型[J]. 计算机科学, 2024, 51(6A): 230800145-9. https://doi.org/10.11896/jsjkx.230800145

GENG Qian, CHUAI Ziang, JIN Jian. Operational Consistency Model Based on Consortium Blockchain for Inter-organizational Data Exchange[J]. Computer Science, 2024, 51(6A): 230800145-9. https://doi.org/10.11896/jsjkx.230800145

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