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A Cache Placement Strategy with Energy Consumption Optimization in Information-Centric Networking

1
Department Physics and Electronic Engineering, Guangxi Normal University for Nationalities, Chongzuo 532200, China
2
School of Computer and Electronics Information, Guangxi University, Nanning 530004, China
*
Author to whom correspondence should be addressed.
Future Internet 2019, 11(3), 64; https://doi.org/10.3390/fi11030064
Received: 8 January 2019 / Revised: 21 February 2019 / Accepted: 22 February 2019 / Published: 5 March 2019
(This article belongs to the Special Issue Information-Centric Networking (ICN))
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Abstract

With the rapid development of cloud computing, big data, and Internet of Things, Information-Centric Networking (ICN) has become a novel hotspot in the field of future Internet architecture, and new problems have appeared. In particular, more researchers consider information naming, delivery, mobility, and security in ICN. In this paper, we mainly focus on the cache placement strategy and network performance of ICN, and propose a cache placement strategy with energy consumption optimization. In order to optimize the energy consumption of the ICN, the best cache placement node is selected from the view of users. First of all, the distance sequence of different nodes arriving at each user is obtained in terms of detection results of network distribution channels, and the corresponding energy consumption of information distribution is obtained from the distance sequence. Secondly, the reward function of the cache node is derived using two factors of energy consumption, which includes the additional energy consumed by the change of the cache node and the energy consumption of the content distribution. Finally, we construct the optimal stopping theory problem to solve the maximum expected energy saving. In simulations, we give the comparison results of energy savings, caching benefit, and delivery success rate. The results show that the strategy proposed by this paper has higher delivery success rate and lower energy consumption than other strategies. View Full-Text
Keywords: Information-Centric Networking (ICN); cache placement; energy consumption optimization; optimal stopping Information-Centric Networking (ICN); cache placement; energy consumption optimization; optimal stopping
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Zheng, X.; Wang, G.; Zhao, Q. A Cache Placement Strategy with Energy Consumption Optimization in Information-Centric Networking. Future Internet 2019, 11, 64.

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