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Energy Efficient Byzantine Agreement Protocols for Cyber Physical Resilience
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Cyber physical systems are deployed in a wide range of applications from sensor nodes in a factory setting to drones in defense applications. This distributed setting of nodes or processes often needs to reach agreement on a set of values. Byzantine Agreement protocols address this issue of reaching an agreement in an environment where a malicious entity can take control over a set of nodes and deviates the system from its normal operation. However these protocols do not consider the energy consumption of the nodes. We explore Byzantine Agreement protocols from an energy efficient perspective providing both energy resilience where the actions of the Byzantine nodes can not adversely effect the energy consumption of non-malicious nodes as well as fairness in energy consumption of nodes over multiple rounds of agreement.