CCN中基于业务类型的多样化内容分发机制

doi:10.3969/j.issn.0372-2112.2016.05.016

电子学报 ›› 2016, Vol. 44 ›› Issue (5): 1124-1131.DOI: 10.3969/j.issn.0372-2112.2016.05.016

CCN中基于业务类型的多样化内容分发机制

葛国栋¹, 郭云飞², 刘彩霞², 兰巨龙²

1. 中国人民解放军 75753部队, 广东广州 510600;
2. 国家数字交换系统工程技术研究中心, 河南郑州 450002

收稿日期:2014-09-23 修回日期:2014-11-24 出版日期:2016-05-25
- 作者简介:
- 葛国栋 男,1985年生于陕西咸阳.中国人民解放军75753部队工程师.研究方向为新型网络体系结构、内容中心网络.E-mail:ggd@mail.ndsc.com.cn;郭云飞 男,1963年生于河南郑州.国家数字交换系统工程技术研究中心教授、博士生导师.研究方向为新型网络体系结构、内容中心网络.
- 基金资助:
- 国家973重点基础研究发展计划 (No.2012CB315901,No.2013CB329104); 国家自然科学基金 (No.61372121,No.61309020); 国家863高技术研究发展计划 (No.2011AA01A101)

A Diverse Content Delivery Scheme Based on Traffic Types in Content Centric Networking

GE Guo-dong¹, GUO Yun-fei², LIU Cai-xia², LAN Ju-long²

1. Troop 75753, People's Liberation Army, Guangzhou, Guangdong 510600, China;
2. National Digital Switching System Engineering & Technological Research Center, Zhengzhou, Henan 450002, China

Received:2014-09-23 Revised:2014-11-24 Online:2016-05-25 Published:2016-05-25
- Supported by:
- National Program on Key Basic Research Project of China (973 Program) (No.2012CB315901, No.2013CB329104); National Natural Science Foundation of China (No.61372121, No.61309020); National High-tech R&D Program of China (863 Program) (No.2011AA01A101)

摘要/Abstract

摘要：

针对内容中心网络(Content Centric Networking,CCN)如何提供差异化的业务需求服务的问题,采用区分服务的思想,从内容传输和缓存决策的角度出发,提出了一种基于业务类型的多样化内容分发机制.该机制依据不同的业务请求特征,分别设计了持久推送、并行预测和逐包请求的数据分发模式,对应提出了透明转发、边缘概率缓存和渐进式推进的沿途存储策略,实现了内容传递对于业务类型的感知和匹配.仿真结果表明,该机制减小了内容请求时延,提高了缓存命中率,以少量额外的控制开销提升了CCN网络整体的内容分发性能.

关键词: 内容中心网络, 区分服务, 缓存策略, 业务类型

Abstract:

How to provide differentiated services for diverse types of traffic poses challenges to the retrieval process of Content Centric Networking (CCN).Inspired from the idea of differentiated service, a diverse content delivery scheme based on traffic types is proposed.When requesting contents, three delivery models, namely, persistent push, parallel prediction and one-one request, are proposed according to the characteristics of the requested traffic.When making the caching decision, three on-path caching policies, including transparent forwarding, probabilistic edge caching and gradual push are implemented respectively to match the delivery models.The simulation results show that the scheme can decrease the request latency, achieve higher cache hit ratio, while improving the overall performance of content delivery with a small amount of additional control overhead.

Key words: content centric networking, differentiated service, caching strategy, traffic type

中图分类号:

TP393

葛国栋, 郭云飞, 刘彩霞, 等. CCN中基于业务类型的多样化内容分发机制[J]. 电子学报, 2016, 44(5): 1124-1131.

GE Guo-dong, GUO Yun-fei, LIU Cai-xia, et al. A Diverse Content Delivery Scheme Based on Traffic Types in Content Centric Networking[J]. Acta Electronica Sinica, 2016, 44(5): 1124-1131.

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CCN中基于业务类型的多样化内容分发机制

A Diverse Content Delivery Scheme Based on Traffic Types in Content Centric Networking

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