Abstract
Consensus algorithms are a prominent component in decentralized systems involving multiple unreliable nodes. Since the days Blockchain was first introduced, decentralized systems have been used in many applications such as supply chain management and information sharing paradigms. Raft is a consensus algorithm based on “Paxos” that is used for replicated state machines when a group of nodes is required to have the same state at any moment. This paper therefore proposes an alternative version of the Raft consensus algorithm to allow sharing information among nodes in a secured fashion while maintaining the security features of the original Raft algorithm even in the presence of adversarial nodes. The proposed model can be implemented to improve cooperation among parties, especially, in resource-constrained platforms where a regular encrypted communication method can heavily affect the system. Our analysis illustrates that the proposed model is practical to be used in many worldwide applications.
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Acknowledgment
Research was sponsored by the Army Research Office and was accomplished under Grant Number W911NF-18-1-0483. The views and conclusions contained in this document are those of the authors and should not be interpreted as representing the official policies, either expressed or implied, of the Army Research Office or the U.S. Government. The U.S. Government is authorized to reproduce and distribute reprints for Government purposes notwithstanding any copyright notation herein.
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Zamir, L., Nojoumian, M. (2022). Information Sharing in the Presence of Adversarial Nodes Using Raft. In: Arai, K. (eds) Proceedings of the Future Technologies Conference (FTC) 2021, Volume 3. FTC 2021. Lecture Notes in Networks and Systems, vol 360. Springer, Cham. https://doi.org/10.1007/978-3-030-89912-7_13
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DOI: https://doi.org/10.1007/978-3-030-89912-7_13
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