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Title: Semi-edge: From edge caching to hierarchical caching in network fog
Authors: Hua, Yining
Guan, Lin
Kyriakopoulos, Konstantinos G.
Keywords: Edge Caching
Information Centric Networking
Content Delivery
In-network Caching
Issue Date: 2018
Publisher: © Association for Computing Machinery (ACM)
Citation: HUA, Y., GUAN, L. and KYRIAKOPOULOS, K.G., 2018. Semi-edge: From edge caching to hierarchical caching in network fog. IN: Proceedings of the 1st International Workshop on Edge Systems, Analytics and Networking (EdgeSys'18 ), Munich, June 10- 15th.
Abstract: In recent content delivery mechanisms, popular contents tend to be placed closer to the users for better delivery performance and lower network resource occupation. Caching mechanisms in Content Delivery Networks (CDN), Mobile Edge Clouds (MECs) and fog computing have implemented edge caching paradigm for different application scenarios. However, state-of-the-art caching mechanisms in literature are mostly bounded by application scenarios. With the rapid development of heterogeneous networks, the lack of uniform caching management has become an issue. Therefore, a novel caching mechanism, Semi-Edge caching (SE), is proposed in this paper. SE caching mechanism is based on in-network caching technique and it could be generically applied into various types of network fog. Furthermore, two content allocation strategies, SE-U (unicast) and SE-B (broadcast), are proposed within SE mechanism. The performance of SE-U and SE-B are evaluated in three typical topologies with various scenario contexts. Compared to edge caching, SE can reduce latency by 7% and increase cache hit ratio by 45%.
Description: This is the author's version of the work. It is posted here for your personal use. Not for redistribution. The definitive Version of Record was published in Proceedings of the 1st International Workshop on Edge Systems, Analytics and Networking (EdgeSys'18 ), https://doi.org/10.1145/3213344.3213352
Version: Accepted for publication
DOI: 10.1145/3213344.3213352
URI: https://dspace.lboro.ac.uk/2134/33644
Publisher Link: https://doi.org/10.1145/3213344.3213352
ISBN: 9781450358378
Appears in Collections:Conference Papers (Physics)

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