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Evaluation of switched Ethernet in an industrial context by using the Network Calculus

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3 Author(s)
Georges, J.-P. ; Faculte des Sci., Univ. Henri Poincare Nancy 1, Vandoeuvre les Nancy, France ; Rondeau, E. ; Divoux, T.

The Ethernet network is more and more used to interconnect industrial devices. The objective is to study the performance of such a network to support real-time communications. For this, we firstly propose a general representation to model a switched Ethernet network by using a sequence of elementary components such as buffers, multiplexers, etc.. Secondly, we aggregate the individual temporal properties of each component given in the Cruz' (1991) survey to obtain a global formula enabling 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, to the sizes of periodic and aperiodic messages.

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Factory Communication Systems, 2002. 4th IEEE International Workshop on

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