Design and operation of secure cyber physical systems
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This document presents a comprehensive framework for designing and operating secure and reliable cyber-physical systems that are resource-constrained. It integrates control-theoretic methods with information security and computational models to evaluate tradeoffs among various design objectives, particularly focusing on the relationship between control performance, system security, and platform schedulability. The authors emphasize the importance of co-designing security mechanisms and control algorithms with the embedded platform to ensure feasible implementation and maintain performance and timing robustness.
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Design and operation of secure cyber physical systems
- 1. DESIGN AND OPERATION OF SECURE CYBER-PHYSICAL SYSTEMS ABSTRACT This letter proposes a holistic framework for the design and operation of secure and reliable resource-constrained cyber-physical systems. The proposed framework combines control-theoretic methods, information security notions and computational models to characterize tradeoffs among different design and operation objectives. We quantify the intricate relation among control performance, system security and platform schedulability through a minimal set of interface variables. We argue that security mechanisms and control algorithms need to be codesigned and comanaged with the embedded platform, so as to avoid the design of algorithms that are too expensive to implement on the embedded platform, or significantly impede design objectives such as performance and timing robustness.