A Study of Security Modeling Techniques for Smart Systems

Tripathi, Dipty; Maurya, Ashish Kumar; Chaturvedi, Amrita; Tripathi, Anil Kumar

doi:10.1109/comitcon.2019.8862443

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An integrated approach of designing functionality with security for distributed cyber-physical systems

et al. 2022

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In this work, we propose a multi-tier architectural model to separate functionality and security concerns for distributed cyber-physical systems. On the line of distributed computing, such systems require the identification of leaders for distribution of work, aggregation of results, etc. Further, we propose a fault-tolerant leader election algorithm that can independently elect the functionality and security leaders. The proposed election algorithm identifies a list of potential leader capable nodes to reduce the leader election overhead. It keeps identifying the highest potential node as the leader, whenever needed, including the situation when one has failed. We also explain the proposed architecture and its management method through a case study. Further, we perform several experiments to evaluate the system performance. The experimental results show that the proposed architectural model improves the system performance in terms of latency, average response time, and the number of real-time tasks completed within the deadline.

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