Evaluation of Real-Time Behaviour in Virtual Automation Networks
نویسنده
چکیده
Ethernet-based fieldbuses continuously penetrate industrial automation and many of them have been standardized (PROFINET, EtherCAT, SERCOS III, etc.). This fact fosters utilization of established Internetworking technologies, such as TCP/IP protocol suites and web services with the aim of widening of the communication scope and seamless interconnection with higher levels of industrial automation. However, industrial applications with their special requirements especially in terms of real-time, functional safety and security call for proper extensions of the existing Ethernet-based fieldbuses. This paper presents state of the art in development of a test bed which will serve for evaluation of real-time parameters of a given point-to-point connection based on the established QoS metrics.
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تاریخ انتشار 2008