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计算机系统应用:2020,29(8):38-47
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ICN中免费内容的缓存定价机制
(1.中国科学技术大学 自动化系 未来网络实验室, 合肥 230026;2.中国科学技术大学 先进技术研究院, 合肥 230026)
Pricing and Caching Strategies for Free Content in Information Centric Networks
(1.Laboratory of Future Networks, Department of Automation, University of Science and Technology of China, Hefei 230026, China;2.Institute of Advanced Technology, University of Science and Technology of China, Hefei 230026, China)
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投稿时间:2020-02-09    修订日期:2020-03-08
中文摘要: 在信息中心网络(Information-Centric Networking, ICN)中, 为了激励网络服务提供商部署网络内缓存, 我们需要制定一种合适的定价机制. 目前ICN的定价机制仅考虑收费内容, 但实际的情况是, 网络中免费内容远多于收费内容. 为此, 本文区别于ICN中传统订阅(收费内容)模型, 首次提出了ICN中一种具有广告商参与的基于免费内容的定价策略. 并利用博弈论对模型进行求解. 文章分析表明, 网络中的参与者存在最佳的广告收费策略、内容缓存策略以及最佳收益点. 仿真结果可以看出, 该模型可以使参与者在竞争过程中实现利润最大化, 从而达到激励ISP部署网络内缓存的目的. 与ICN中已有的方案相比, 我们的方案更加贴合实际, 也能获得更优的收益.
Abstract:In order to motivate Internet Service Providers (ISPs) to deploy in-network caching, we need to develop a new pricing mechanism among ISPs, Content Provider (CP), and users. The existing pricing mechanism of Information Centric Networks (ICN) mainly considers paid content, but more practically, there is more free content on the network. Therefore, based on the free content, we first propose one pricing and caching mechanism with advertisers’ participation in ICN and use game theory to solve our model. The analysis shows that participants in the network have the best advertising charging strategy, content caching strategy, and the best profit point. The simulation results show that the model can maximize the participants’ profits in the competition process. At the same time, it can be seen that this model is more practical and more profitable than the traditional charging model, so it can achieve the purpose of motivating ISPs to deploy in-network caching.
文章编号:7575     中图分类号:    文献标志码:
基金项目:国家自然科学基金企业创新发展联合基金(中电科)(6141B08080101)
引用文本:
吴蓉,郑烇,杨坚.ICN中免费内容的缓存定价机制.计算机系统应用,2020,29(8):38-47
WU Rong,ZHENG Quan,YANG Jiang.Pricing and Caching Strategies for Free Content in Information Centric Networks.COMPUTER SYSTEMS APPLICATIONS,2020,29(8):38-47

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