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首页> 外文期刊>IEEE transactions on industrial informatics >Evaluating Docker for Lightweight Virtualization of Distributed and Time-Sensitive Applications in Industrial Automation
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Evaluating Docker for Lightweight Virtualization of Distributed and Time-Sensitive Applications in Industrial Automation

机译：评估工业自动化分布式和时间敏感应用的轻量级虚拟化的Docker

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摘要

A trend, accompanying the change of automation systems and their architectures, is the virtualization of software components. Virtualization strengthens platform-independent development and the provision of secure and isolated applications. Virtualization introduces well-defined interfaces to strengthen modularity, which facilitates the scalability of applications. However, virtualization includes additional software components and layers and, thus, additional computing costs. This additional effort can conflict with the real-time requirements of automation processes. Current research lacks the investigation of the time behavior of container-based virtualizations concerning their use in real-time systems. An assessment concerning real-time applications is required to prepare it for use in industrial automation. This article examines the effects of virtualization on the time delays of a software component based on Docker containers by providing measurements on a hardware testbed in a realistic use case. The experiments indicate that Docker virtualization can meet soft real-time requirements and can be used in industrial automation.
机译：伴随自动化系统及其体系结构的趋势是软件组件的虚拟化。虚拟化加强平台独立的开发和提供安全和孤立的应用。虚拟化引入了良好定义的接口以加强模块化，这有助于应用程序的可扩展性。然而，虚拟化包括额外的软件组件和层，因此，额外的计算成本。此额外努力可以与自动化流程的实时要求冲突。目前的研究缺乏对其在实时系统中使用的基于集装箱虚拟化的时间行为的调查。有关实时应用的评估是必需的，以便在工业自动化中使用。本文通过在实际用例中的硬件上提供测量，来检查虚拟化对基于Docker容器的软件组件的时间延迟的影响。实验表明，Docker虚拟化可以满足软实时要求，可用于工业自动化。

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