Abstract
Policy implementation in real-time systems of industrial applications is challenging due to the dynamic nature of the requirements of industrial systems. Compelling complexity lies in the integration of the dynamic policy implementation on the existing real-time infrastructure. If software-defined networks (SDN) join hands with real-time networks (RTN), the global view of the network obtained by the controller will allow efficient decision making and policy implementation to improve the performance of real-time networks. In this chapter, we have presented software-defined real-time networks (SDRTN) to address two primary requirements of real-time networks in industrial systems: (a) improved congestion control leading to controlled timely delivery and (b) improved resource utilization to the provision of quality of service (QoS) policies. The three leading takeaways from this chapter are: (a) a theoretical model is developed integrating SDN with RTN; (b) SDRTN scheme is designed for the policy implementation in RTN; and (c) performance evaluation is demonstrated based on throughput, packet loss, latency, and jitter metrics, providing the step-by-step procedure to implement SDRTN. The numerical analysis is illustrated, showing the impact of the SDRTN architecture on the RTN-based networks’ performance. A significant performance gain is observed in SDRTN in comparison to RTN.
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Goswami, B., Hu, S., Feng, Y. (2022). Software-Defined Networking for Real-Time Network Systems. In: Tian, YC., Levy, D.C. (eds) Handbook of Real-Time Computing. Springer, Singapore. https://doi.org/10.1007/978-981-287-251-7_69
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DOI: https://doi.org/10.1007/978-981-287-251-7_69
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