Exploring Opportunistic Execution for Integrating Security into Legacy\n Hard Real-Time Systems

2016/08/28 by Monowar Hasan, Hasan, Monowar, Sibin Mohan +5 · 1 citation
Computer Science · #Cryptography and Security (cs.CR) #Distributed systems and fault tolerance #Embedded Systems Design Techniques #FOS: Computer and information sciences #Real-Time Systems Scheduling

paper · pdf · doi:10.48550/arxiv.1608.07872

openalex publication_date 2016/08/28 · openalex created_date 2025/10/10 · openalex updated_date 2026/07/28

Abstract

Due to physical isolation as well as use of proprietary hardware and\nprotocols, traditional real-time systems (RTS) were considered to be\ninvulnerable to security breaches and external attacks. However, this\nassumption is being challenged by recent attacks that highlight the\nvulnerabilities in such systems. In this paper, we focus on integrating\nsecurity mechanisms into RTS (especially legacy RTS) and provide a metric to\nmeasure the effectiveness of such mechanisms. We combine opportunistic\nexecution with hierarchical scheduling to maintain compatibility with legacy\nsystems while still providing flexibility. The proposed approach is shown to\nincrease the security posture of RTS systems without impacting their temporal\nconstraints.\n

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