Confronting the performances of a switched Ethernet network with industrial constraints by using the network calculus

被引:15
作者
Georges, JP [1 ]
Divoux, T [1 ]
Rondeau, E [1 ]
机构
[1] Univ Nancy 1, Ctr Rech Automat Nancy, Fac Sci, CNRS,INPL,UMR 7039, F-54506 Vandoeuvre Les Nancy, France
关键词
network modelling; fieldbus; real-time communications;
D O I
10.1002/dac.740
中图分类号
TM [电工技术]; TN [电子技术、通信技术];
学科分类号
0808 [电气工程]; 0809 [电子科学与技术];
摘要
The Ethernet network is more and more used to interconnect industrial devices. The objective of this paper is to study the performances of such a network to support real-time communications. For this, first we propose a general representation to model a switched Ethernet network by using a sequence of elementary components such as buffers, multiplexers, etc. Second, we aggregate the individual temporal properties of each component given in the Cruz' survey to obtain a global formula enabling one to calculate the maximum end-to-end delay for any industrial communication scenarios. Finally, we deduce the limits of the switched Ethernet network regarding the number of input/output cards connected to the network and to the sizes of periodic and aperiodic messages. Copyright (c) 2005 John Wiley & Sons, Ltd.
引用
收藏
页码:877 / 903
页数:27
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