Vulnerability Analysis of Next-generation High-speed Railway LTE-R Time Synchronization Network Protocol

被引：0
|
作者：
Chen Y. [1 ]
Zhan Z. [1 ]
Liu W. [1 ]
机构：
[1] School of Electronic and Information Engineering, Lanzhou Jiaotong University, Lanzhou
来源：
Tiedao Xuebao/Journal of the China Railway Society | 2023年 / 45卷 / 01期
关键词：
LTE-R; precision time protocol; stochastic Petri net; time synchronization; vulnerability analysis;
D O I：
10.3969/j.issn.1001-8360.2023.01-008
中图分类号：
学科分类号：
摘要：
The time synchronization network of the railway wireless communication system is an important foundation to ensure the safety of trains and improving the efficiency of railway operations. In response to the problem that the all-IP architecture of the next-generation high-speed railway LTE-R is vulnerable to ARP attacks when using the PTP time synchronization protocol, this paper proposed a vulnerability analysis method for the LTE-R time synchronization network protocol based on stochastic Petri net (SPN). The SPN model of LTE-R time synchronization network protocol vulnerability analysis under ARP attack was established. Through the method of Markov chain isomorphism, the relationship curve between the implementation rate of the LTE-R three-level clock node and normal and abnormal PTP protocol synchronization under ARP attack was obtained. The key factors affecting the vulnerability of the LTE-R time synchronization network protocol were quantitatively obtained. The research results offer a certain theoretical reference for the safe e-volution of the GSM-R time synchronization network to LTE-R network. © 2023 Science Press. All rights reserved.
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页码：63 / 74
页数：11
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