Comparative assessment of different OPC UA open–source stacks for embedded systems

2019 24th IEEE International Conference on Emerging Technologies and Factory Automation (ETFA) Pub Date : 2019-09-01 DOI:10.1109/ETFA.2019.8869187

A. Cenedese, Michele Frodella, F. Tramarin, S. Vitturi

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引用次数: 8

Abstract

With the rise of Industry 4.0 and of the Industrial Internet, the computing and communication infrastructures achieved an essential role within process and factory automation, and cyberphysical systems in general. In this scenario, the OPC UA standard is currently becoming a widespread opportunity to enable interoperability among heterogeneous industrial systems. Nonetheless, OPC UA is characterized by a complex protocol architecture, that may impair the scalability of applications and may represent a bottleneck for its effective implementation in resource–constrained devices, such as low–cost industrial embedded systems. Several different OPC UA implementations are available, which in some significant cases are released under an open source license. In this context, the aim of this paper is to provide an assessment of the performance provided by some of these different OPC UA implementations, focusing specifically on potential development and resource bottlenecks. The analysis is carried out through an extensive experimental campaign explicitly targeting general purpose low–cost embedded systems. The final goal is to provide a comprehensive performance comparisons to allow devising some useful practical guidelines.

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嵌入式系统中不同OPC UA开源栈的比较评估

随着工业4.0和工业互联网的兴起，计算和通信基础设施在过程和工厂自动化以及一般的网络物理系统中发挥了重要作用。在这种情况下，OPC UA标准目前正在成为实现异构工业系统之间互操作性的广泛机会。尽管如此，OPC UA的特点是一个复杂的协议架构，这可能会损害应用程序的可扩展性，并可能成为其在资源受限设备(如低成本工业嵌入式系统)中有效实现的瓶颈。有几种不同的OPC UA实现可用，在一些重要的情况下，它们是在开源许可下发布的。在这种情况下，本文的目的是对这些不同的OPC UA实现提供的性能进行评估，特别关注潜在的开发和资源瓶颈。分析是通过明确针对通用低成本嵌入式系统的广泛实验活动进行的。最终目标是提供全面的性能比较，以便设计一些有用的实用指导方针。

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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2019 24th IEEE International Conference on Emerging Technologies and Factory Automation (ETFA)

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