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Secure and Reliable IoT Networks Using Fog Computing with Software-Defined Networking and Blockchain

Telecommunication Networks and Data Transmission, St. Petersburg State University of Telecommunication, 193232 St. Petersburg, Russia
Applied Probability and Informatics, Peoples’ Friendship University of Russia (RUDN University), 117198 Moscow, Russia
Electronics and Communications Engineering, Zagazig University, 44519 Sharqia, Egypt
Institute of Informatics Problems, Federal Research Center “Computer Science and Control” of Russian Academy of Sciences, 119333 Moscow, Russia
Faculty of Information Technology Middle East University Amman, 383 Amman 11831, Jordan
Author to whom correspondence should be addressed.
J. Sens. Actuator Netw. 2019, 8(1), 15;
Received: 27 December 2018 / Revised: 1 February 2019 / Accepted: 9 February 2019 / Published: 18 February 2019
(This article belongs to the Special Issue Sensors and Actuators: Security Threats and Countermeasures)
Designing Internet of Things (IoT) applications faces many challenges including security, massive traffic, high availability, high reliability and energy constraints. Recent distributed computing paradigms, such as Fog and multi-access edge computing (MEC), software-defined networking (SDN), network virtualization and blockchain can be exploited in IoT networks, either combined or individually, to overcome the aforementioned challenges while maintaining system performance. In this paper, we present a framework for IoT that employs an edge computing layer of Fog nodes controlled and managed by an SDN network to achieve high reliability and availability for latency-sensitive IoT applications. The SDN network is equipped with distributed controllers and distributed resource constrained OpenFlow switches. Blockchain is used to ensure decentralization in a trustful manner. Additionally, a data offloading algorithm is developed to allocate various processing and computing tasks to the OpenFlow switches based on their current workload. Moreover, a traffic model is proposed to model and analyze the traffic indifferent parts of the network. The proposed algorithm is evaluated in simulation and in a testbed. Experimental results show that the proposed framework achieves higher efficiency in terms of latency and resource utilization. View Full-Text
Keywords: internet of things; fog computing; traffic; latency; SDN; OpenFlow internet of things; fog computing; traffic; latency; SDN; OpenFlow
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Muthanna, A.; A. Ateya, A.; Khakimov, A.; Gudkova, I.; Abuarqoub, A.; Samouylov, K.; Koucheryavy, A. Secure and Reliable IoT Networks Using Fog Computing with Software-Defined Networking and Blockchain. J. Sens. Actuator Netw. 2019, 8, 15.

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