A Control Theoretic Approach for Resilient Network Services

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Resilient networks have the ability to provide the desired level of service, despite challenges such as malicious attacks and misconfigurations. The primary goal of this dissertation is to be able to provide uninterrupted network services in the face of an attack or any failures. This dissertation attempts to apply control system theory techniques with a focus on system identification and closed-loop feedback control. It explores the benefits of system identification technique in designing and validating the model for the complex and dynamic networks. Further, this dissertation focuses on designing robust feedback control mechanisms that are both scalable and effective in ... continued below

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Vempati, Jagannadh Ambareesh December 2018.

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  • Vempati, Jagannadh Ambareesh

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Description

Resilient networks have the ability to provide the desired level of service, despite challenges such as malicious attacks and misconfigurations. The primary goal of this dissertation is to be able to provide uninterrupted network services in the face of an attack or any failures. This dissertation attempts to apply control system theory techniques with a focus on system identification and closed-loop feedback control. It explores the benefits of system identification technique in designing and validating the model for the complex and dynamic networks. Further, this dissertation focuses on designing robust feedback control mechanisms that are both scalable and effective in real-time. It focuses on employing dynamic and predictive control approaches to reduce the impact of an attack on network services. The closed-loop feedback control mechanisms tackle this issue by degrading the network services gracefully to an acceptable level and then stabilizing the network in real-time (less than 50 seconds). Employing these feedback mechanisms also provide the ability to automatically configure the settings such that the QoS metrics of the network is consistent with those specified in the service level agreements.

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  • December 2018

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  • Jan. 19, 2019, 9:34 p.m.

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  • Feb. 15, 2019, 2:59 p.m.

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Vempati, Jagannadh Ambareesh. A Control Theoretic Approach for Resilient Network Services, dissertation, December 2018; Denton, Texas. (https://digital.library.unt.edu/ark:/67531/metadc1404595/: accessed March 25, 2019), University of North Texas Libraries, Digital Library, https://digital.library.unt.edu; .