Bitcoin's dynamic peer‐to‐peer topology,International Journal of Network Management

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Bitcoin's dynamic peer‐to‐peer topology
International Journal of Network Management ( IF 1.5 ) Pub Date : 2020-03-19 , DOI: 10.1002/nem.2106
Meryam Essaid ₁ , Sejin Park ₁ , Hong‐Taek Ju ₁

Affiliation

Topology discovery is a prerequisite when investigating the network properties; with the enormous number of Bitcoin users and performance issues, it becomes critical to analyse the network in a fashion that makes it possible to detect all Bitcoin's nodes and understand their behaviour. In massive, dynamic, and distributed peer‐to‐peer (P2P) networks like Bitcoin, where thousands of updates occur per second, it is hard to obtain an accurate topology representing the structure of the network as a graph with nodes and links by using the traditional local measurement approaches based on batches, offline data, or on the discovery of the topology around a small set of nodes and then combine them to discover an approximate network topology. All of which present some limitation when applying them on blockchain‐based networks. In this paper, we propose a topology discovery system that performs a real‐time data collection and analysis for Bitcoin P2P links, which assembles incoming nodes information for deeper graph analysis processing. The topology discovery system allows us to gain knowledge on the Bitcoin network size, the network stability in terms of reachable, churn, and well‐connected nodes, as well as some data regarding the effects of some countries' Internet infrastructure on Bitcoin traffic.

中文翻译：

比特币的动态对等拓扑

研究网络属性时，先决条件是拓扑发现。由于存在大量的比特币用户和性能问题，因此以一种能够检测所有比特币节点并了解其行为的方式来分析网络变得至关重要。在大规模，动态和分布式的点对点（P2P）网络中，例如每秒发生数以千计的更新，很难通过使用节点和链接的图形来获得代表网络结构的准确拓扑传统的本地测量方法基于批处理，脱机数据，或者基于围绕一小组节点的拓扑发现，然后将它们组合以发现近似的网络拓扑。当将它们应用于基于区块链的网络时，所有这些都存在一些限制。在本文中，我们提出了一种拓扑发现系统，该系统可对比特币P2P链接执行实时数据收集和分析，该系统可组合传入的节点信息以进行更深的图分析处理。拓扑发现系统使我们能够获得有关比特币网络规模，可到达节点，搅动节点和连接良好节点的网络稳定性以及一些国家/地区互联网基础设施对比特币流量影响的数据的知识。

更新日期：2020-03-19

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