Popularity-Based Cache Placement for Fog Networks

被引：0
|
作者：
Althamary, Ibrahim [1 ]
Huang, Chih-Wei [1 ]
Lin, Phone [2 ]
Yang, Shun-Ren [3 ]
Cheng, Chien-Wei [4 ]
机构：
[1] Natl Cent Univ, Dept Commun Engn, Taoyuan, Taiwan
[2] Natl Taiwan Univ, Dept Comp Sci & Informat Engn, Taipei, Taiwan
[3] Natl Tsing Hua Univ, Dept Comp Sci, Hsinchu, Taiwan
[4] Chunghwa Telecommun Labs, Business Intelligence Lab, Taoyuan, Taiwan
来源：
2018 14TH INTERNATIONAL WIRELESS COMMUNICATIONS & MOBILE COMPUTING CONFERENCE (IWCMC) | 2018年
关键词：
Fog computing; caching; energy efficiency; 5G;
D O I：
暂无
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
Cache placement is a critical issue in fog networks. It is essential to simultaneously consider the quality of network connection, the demand of contents, and the users' activities. This paper proposes an efficient cache placement by placing the files based on popularity categories within a fog node cluster. Requested files are categorized into three popularity levels and strategically cached in fog nodes of various activity levels This work aims to reduce energy consumption by reducing the number of cells to serve the users based on content popularity. Another contribution of this paper is the clustering method for the fog nodes to select the node to host for the cache contents. The effectiveness of the algorithm is tested using the simulation regarding energy efficiency.
引用
收藏
页码：800 / 804
页数：5
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