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A Reliable Trust Computing Mechanism in Fog Computing

A Reliable Trust Computing Mechanism in Fog Computing
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Author(s): Vijay Lingaraddi Hallappanavar (K. L. E. College of Engineering and Technology, India) and Mahantesh N. Birje (Visvesvaraya Technological University, India)
Copyright: 2021
Volume: 11
Issue: 1
Pages: 20
Source title: International Journal of Cloud Applications and Computing (IJCAC)
Editor(s)-in-Chief: B. B. Gupta (National Institute of Technology Kurukshtra, India) and Dharma P. Agrawal (University of Cincinnati, USA)
DOI: 10.4018/IJCAC.2021010101


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Due to the lack of trust on IoT devices, the integration of fog computing and IoT devices is hindered. Trust is considered to have two notions: subjective trust where the user puts his individual interests to the interactions and objective trust which depends only on individual interaction experiences. This paper proposes a reliable trust computing mechanism based on subjective and objective trust. The subjective trust is calculated from feedback of multiple sources. The incentive and punishment mechanism is applied to the subjective trust to avoid malicious devices. The objective trust is calculated based on quality of services. The overall trust helps the IoT devices to determine the trustworthiness of other IoT devices and in turn helps to establish a trusted environment. The experimental results show that the performance is better than existing methods in terms of time required to calculate the overall trust, reliability, and trustworthiness of IoT devices.

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