网络时间协议网络时间安全性能及可扩展性的实验分析

2022 IEEE International Symposium on Precision Clock Synchronization for Measurement, Control, and Communication (ISPCS) Pub Date : 2022-10-02 DOI:10.1109/ISPCS55791.2022.9918378

Griffin Leclerc, R. Bartos

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引用次数: 1

摘要

NTS (Network Time Security)是一种标准化机制，允许客户端对通过NTP (Network Time Protocol)接收的时间信息进行认证。NTS包括一个新的密钥建立协议，NTS- ke和NTPv4的扩展字段，当它们一起使用时，允许客户端验证来自时间服务器的消息。利用每一个的开源实现，我们确定与NTP相比，NTS引入的任何性能或可伸缩性影响的存在和严重程度。我们发现，在使用NTS而不是NTP时，进行个人身份验证的时间传输需要大约116%的时间。此外，我们发现NTS-KE每秒只能支持大约2000个请求，然后才能观察到周转时间的大量持续增加。

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Experimental Analysis of the Performance and Scalability of Network Time Security for the Network Time Protocol

Network Time Security (NTS) standardizes mechanisms that allow clients to authenticate timing information received via Network Time Protocol (NTP). NTS includes a new key establishment protocol, NTS-KE, and extension fields for NTPv4 which, when utilized together, allow clients to authenticate messages from time servers. Utilizing an open source implementation of each, we determine the existence and severity of any performance or scalability impact introduced by NTS when compared to NTP. We found that conducting individual authenticated time transfer takes approximately 116% longer when utilizing NTS over NTP. Additionally, we found that NTS-KE can only support approximately 2000 requests per second before a substantial and consistent increase in turnaround time is observed.

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来源期刊

2022 IEEE International Symposium on Precision Clock Synchronization for Measurement, Control, and Communication (ISPCS)

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