Preprint Article Version 1 This version is not peer-reviewed

Software Defined Networks in Industrial Automation

Version 1 : Received: 8 June 2018 / Approved: 8 June 2018 / Online: 8 June 2018 (13:35:22 CEST)

A peer-reviewed article of this Preprint also exists.

Ahmed, K.; Blech, J.O.; Gregory, M.A.; Schmidt, H.W. Software Defined Networks in Industrial Automation. J. Sens. Actuator Netw. 2018, 7, 33. Ahmed, K.; Blech, J.O.; Gregory, M.A.; Schmidt, H.W. Software Defined Networks in Industrial Automation. J. Sens. Actuator Netw. 2018, 7, 33.

Journal reference: J. Sens. Actuator Netw. 2018, 7, 33
DOI: 10.3390/jsan7030033

Abstract

Trends such as Industrial Internet of Things (IIoT) and Industry 4.0 have increased the need to use powerfull network technologies in industrial automation. The growing communication in industrial automation is harnessing the productivity and efficiency of manufacturing and process automation with minimum human intervention. Due to the ongoing evolution of industrial networks from Fieldbus technologies to Ethernet, the new opportunity has emerged to integrate the Software Defined Networking (SDN) technique. In this paper, we provide a brief overview of SDN in the domain of industrial automation. We propose a network architecture called Software Defined Industrial Automation Network (SDIAN), with the objective of improving network scalability and efficiency. To match the specific considerations and requirements of having a deterministic system in an industrial network, we propose two solutions for flow creation: Pro-active Flow Installation Scheme (PFIS) and Hybrid Flow-Installation Scheme (HFIS). We analytically quantify the proposed solutions in alleviating the overhead incurred from the flow setup cost. The analytical model is verified through monte carlo simulations. We also evaluate the SDIAN architecture and analyze the network performance of the modified topology using an emulator called Mininet. We further list and motivate SDIAN features and in particular report on an experimental food processing plant demonstration featuring Raspberry PIs (RPIs) instead of traditional Programmable Logic Controllers (PLCs). Our demonstration exemplifies the characteristics of SDIAN.

Subject Areas

controller; industry network; open flow; software defined networking; programmable logic controller

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