Reducing the propagation delay of compact block in Bitcoin network

IF 1.5 4区计算机科学 Q3 COMPUTER SCIENCE, INFORMATION SYSTEMS International Journal of Network Management Pub Date : 2024-01-25 DOI:10.1002/nem.2262

Aeri Kim, Meryam Essaid, Sejin Park, Hongtaek Ju

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Abstract

Bitcoin is a Blockchain-based network in which thousands of nodes are directly connected and communicate via a gossip-based flooding protocol. Mined blocks are propagated to all participating nodes in the network through a CBR (compact block relay) protocol developed to reduce the block propagation delay. However, propagation delay persists. The relay time between nodes must be measured and analyzed to determine the cause of the delay and provide solutions for reducing block propagation time. Previously, we measured the relay time and investigated the cause of the delay. According to the findings of the previous study, the delay of the relay time occurs when assembling compact blocks, depending on whether transactions are requested. In this paper, we find the reasons for requesting transactions. The reasons are due to the transaction propagation method and the characteristics of the transaction itself. We propose a solution based on this. It is a method of reducing probability of requesting transactions by using the compact block's “PREFILLEDTXN” to send the transactions expected to be requested with the block. The probability of requesting is reduced by up to 67% when transactions that have just entered the memory pool are propagated by PREFILLEDTXN. The block relay time is reduced by up to 44% as a result. Finally, this research reduces block relay time between nodes.

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减少紧凑型区块在比特币网络中的传播延迟

比特币是一个基于区块链的网络，在这个网络中，成千上万的节点直接相连，并通过基于流言的泛洪协议进行通信。挖出的区块通过 CBR（紧凑型区块中继）协议传播到网络中的所有参与节点，以减少区块传播延迟。然而，传播延迟依然存在。必须测量和分析节点之间的中继时间，以确定延迟的原因，并提供缩短区块传播时间的解决方案。此前，我们测量了中继时间，并调查了延迟的原因。根据之前的研究结果，中继时间的延迟发生在组装紧凑块时，取决于是否有事务请求。在本文中，我们找到了请求事务的原因。原因在于事务传播方式和事务本身的特性。在此基础上，我们提出了一种解决方案。这是一种通过使用紧凑区块的 "PREFILLEDTXN "来发送预计与该区块一起被请求的事务，从而降低请求事务概率的方法。通过 PREFILLEDTXN 传播刚进入内存池的事务时，请求概率最多可降低 67%。因此，区块中继时间最多可减少 44%。最后，这项研究缩短了节点之间的区块中继时间。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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来源期刊

International Journal of Network Management COMPUTER SCIENCE, INFORMATION SYSTEMS-TELECOMMUNICATIONS

CiteScore

5.10

自引率

6.70%

发文量

审稿时长

>12 weeks

期刊介绍： Modern computer networks and communication systems are increasing in size, scope, and heterogeneity. The promise of a single end-to-end technology has not been realized and likely never will occur. The decreasing cost of bandwidth is increasing the possible applications of computer networks and communication systems to entirely new domains. Problems in integrating heterogeneous wired and wireless technologies, ensuring security and quality of service, and reliably operating large-scale systems including the inclusion of cloud computing have all emerged as important topics. The one constant is the need for network management. Challenges in network management have never been greater than they are today. The International Journal of Network Management is the forum for researchers, developers, and practitioners in network management to present their work to an international audience. The journal is dedicated to the dissemination of information, which will enable improved management, operation, and maintenance of computer networks and communication systems. The journal is peer reviewed and publishes original papers (both theoretical and experimental) by leading researchers, practitioners, and consultants from universities, research laboratories, and companies around the world. Issues with thematic or guest-edited special topics typically occur several times per year. Topic areas for the journal are largely defined by the taxonomy for network and service management developed by IFIP WG6.6, together with IEEE-CNOM, the IRTF-NMRG and the Emanics Network of Excellence.