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http://dx.doi.org/10.9717/kmms.2020.24.1.051

Task Distribution Scheme based on Service Requirements Considering Opportunistic Fog Computing Nodes in Fog Computing Environments  

Kyung, Yeunwoong (School of Computer Engineering, College of IT, Hanshin University)
Publication Information
Journal of Korea Multimedia Society / v.24, no.1, 2021 , pp. 51-57 More about this Journal
Abstract
In this paper, we propose a task distribution scheme in fog computing environment considering opportunistic fog computing nodes. As latency is one of the important performance metric for IoT(Internet of Things) applications, there have been lots of researches on the fog computing system. However, since the load can be concentrated to the specific fog computing nodes due to the spatial and temporal IoT characteristics, the load distribution should be considered to prevent the performance degradation. Therefore, this paper proposes a task distribution scheme which considers the static as well as opportunistic fog computing nodes according to their mobility feature. Especially, based on the task requirements, the proposed scheme supports the delay sensitive task processing at the static fog node and delay in-sensitive tasks by means of the opportunistic fog nodes for the task distribution. Based on the performance evaluation, the proposed scheme shows low service response time compared to the conventional schemes.
Keywords
Fog Computing; Opportunistic Fog; Service Requirements;
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