Performance impact of IPsec in resource-limited smart grid communication

2016 IEEE World Conference on Factory Communication Systems (WFCS) Pub Date : 2016-05-03 DOI:10.1109/WFCS.2016.7496517

B. Hirschler, T. Sauter

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引用次数: 4

Abstract

In recent years, the Internet Protocol (IP) has become a common basis for communication in several automation domains. For smart grids, it is even more beneficial because it brings a unification aspect into a field characterized by a variety of heterogeneous communication protocols which are in use today for various functions and services inside a smart grid. Besides, IP offers a convenient approach to implement security in the communication infrastructure by using its native security extension, IPsec. Nevertheless, IPsec was originally devised for IT environments and not for automation networks. This article therefore analyses the performance impact of IPv6 and IPsec on the end-to-end communication in resource-limited devices using Intel and ARM architectures, respectively. Based on standard Linux as an operating system, we employ a lean measurement setup which can be used even on devices with limited processing power without influencing the measurement results too much. The experimental results show that the influence of security features on the processing time of IPv6 packets is below one millisecond, which should be feasible for many smart grid applications.

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资源有限的智能电网通信中IPsec对性能的影响

近年来，互联网协议(IP)已成为多个自动化领域通信的通用基础。对于智能电网来说，它更加有益，因为它将统一方面带入了以各种异构通信协议为特征的领域，这些协议目前用于智能电网内部的各种功能和服务。此外，IP通过其自身的安全扩展IPsec，为在通信基础设施中实现安全提供了一种方便的方法。然而，IPsec最初是为IT环境而不是为自动化网络设计的。因此，本文分别分析了IPv6和IPsec在使用Intel和ARM架构的资源有限设备中对端到端通信的性能影响。基于标准Linux作为操作系统，我们采用了一种精益的测量设置，即使在处理能力有限的设备上也可以使用，而不会对测量结果产生太大影响。实验结果表明，安全特征对IPv6报文处理时间的影响小于1毫秒，这对于许多智能电网应用应该是可行的。

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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2016 IEEE World Conference on Factory Communication Systems (WFCS)

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