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A collaborative caching strategy for content-centric enabled wireless sensor networks

Abstract : The Content-Centric Networking (CCN) is an efficient traffic handling technology by accessing content with its name instead of its physical location and achieving in-network caching. Indeed, CCN caching ensures high content availability, network traffic reduction, and low retrieval latency which reduces congestion and improves end-to-end delay. Moreover, it could greatly improve the efficiency of content delivery in Wireless Sensor Networks (WSNs). In this article, we propose to exploit this feature to enable CCN in WSN environments. The CCN architecture enables the content caching on each sensor-node in WSN and several research studies have been devoted to the caching management issue in such a context. However, caching the content on all the nodes is not a good strategy in terms of resource utilization. It is, therefore, necessary to determine where to cache and how to handle it in order to optimize the resources while realizing a high-interest satisfaction rate. Thus, our objective is to study existing caching strategies and propose a novel one that takes into account the node centrality and its distance from the source of the content. Through extensive simulations, we examine the performance of our scheme under different configurations and demonstrate how it outperforms the traditional caching strategies such as LCE (Leave Copy Everywhere) and LCD (Leave Copy Down).
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https://hal.archives-ouvertes.fr/hal-02960359
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Submitted on : Wednesday, October 7, 2020 - 3:39:41 PM
Last modification on : Tuesday, November 16, 2021 - 4:30:26 AM

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Ghada Jaber, Rahim Kacimi. A collaborative caching strategy for content-centric enabled wireless sensor networks. Computer Communications, Elsevier, 2020, 159, pp.60-70. ⟨10.1016/j.comcom.2020.05.018⟩. ⟨hal-02960359⟩

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