Secure Content Delivery With Edge Nodes to Save Caching Resources for Mobile Users in Green Cities

被引：62

作者：

Xu, Qichao ^{[1
]}

Su, Zhou ^{[1
]}

Zheng, Qinghua ^{[2
]}

Luo, Minnan ^{[2
]}

Dong, Bo ^{[3
]}

机构：

[1] Shanghai Univ, Sch Mechatron Engn & Automat, Shanghai 200444, Peoples R China

[2] Xi An Jiao Tong Univ, Dept Comp Sci & Technol, MOEKLINNS Lab, Xian 710049, Peoples R China

[3] Xi An Jiao Tong Univ, Coll Distance Educ, Natl Engn Lab Big Data Analyt, Xian 710049, Peoples R China

来源：

IEEE TRANSACTIONS ON INDUSTRIAL INFORMATICS | 2018年 / 14卷 / 06期

基金：

美国国家科学基金会;

关键词：

Content delivery; edge computing; energy; green cities; reverse auction game; SOCIAL NETWORKS;

D O I：

10.1109/TII.2017.2787201

中图分类号：

TP [自动化技术、计算机技术];

学科分类号：

0812 ;

摘要：

To save energy during content delivery in green cities, caching contents on edge nodes that are placed near mobile social users has been advocated recently. However, how to allocate the limited caching resources with secure content delivery becomes a new challenge. Therefore, in this paper, we present a novel theoretical model to deliver secure content with edge nodes in order to save energy for green cities. First, we present a reverse auction game to encourage edge nodes to cooperatively provide caching services with incentives. With the model, mobile users can determine the candidate of edge node to cache content based on the interaction between mobile users and edge nodes. Second, a trust management method is designed to evaluate the reliability of the selected candidate of edge node by considering the direct trust evaluation. Finally, extensive simulations show that the proposal can save energy with a secure content delivery where both the delay to obtain the content and the caching ratio can be improved compared with the conventional methods.

引用

页码：2550 / 2559

页数：10

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