Abstract
The Internet of things (IoT) is a heterogeneous network of different types of wireless networks such as wireless sensor networks (WSNs), ZigBee, Wi-Fi, mobile ad hoc networks (MANETs), and RFID. To make IoT a reality for smart environment, more attractive to end users, and economically successful, it must be compatible with WSNs and MANETs. In light of this, the present paper discusses a novel quantitative trust model for an IoT-MANET. The proposed trust model combines both direct and indirect trust opinion in order to calculate the final trust value for a node. A Beta probabilistic distribution is used to combine different trust evidences and direct trust has been calculated. The theory of ARMA/GARCH has been used to combine the recommendation trust evidences and predict the resultant trust value of each node in multi-step ahead. Further, a routing protocol has been designed to ensure the secure and reliable end-to-end delivery of packets by only considering trustworthy nodes in the path. Simulation results show that our proposed trust model outperforms similar existing trust models.
Highlights
The Internet of things (IoT) is a heterogeneous network of physical devices, vehicles, home appliances, and other objects embedded with electronics, software, sensors, actuators, and connectivity.By enabling seamless connection between objects and the rapid exchange of large volumes of data, this paradigm offers a new class of advanced services characterized by being available irrespective of time, place, and person
The nodes of the IoT-mobile ad hoc networks (MANETs) are grouped into one-hop clusters [1,2] and a predictive trust management model is developed for trust calculation and propagation
Performance Evaluation: We considered four parameters, packet delivery fraction (PDF), packet drop rate (PDropR), packet delivery ratio (PDelR), and throughput (THR), as performance metrics in order to compare the proposed trust-based routing protocol with two existing and well-studied protocols, which are CBRP [28] and the protocol proposed by Chatterjee et al [1]
Summary
Electrical Engineering and Computer Science, Vanderbilt University, Nashville, TN 37235, USA. This is an extended version of the conference paper, Alnumay, W.S.; Chatterjee, P.; Ghosh, U. A trusted framework for secure routing in wireless ad hoc networks. Conference on Collaboration Technologies and Systems (CTS), Atlanta, GA, USA, 1–5 June 2015
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