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1. 国家数字交换系统工程技术研究中心,河南 郑州 450002
2. 解放军信息工程大学,河南 郑州 450001
[ "张果(1985-),男,河南南阳人,国家数字交换系统工程技术研究中心博士生,主要研究方向为新型网络体系结构、内容中心网络。" ]
[ "胡宇翔(1982-),男,河南周口人,博士,国家数字交换系统工程技术研究中心副教授,主要研究方向为新型网络体系结构、网络安全。" ]
[ "黄万伟(1979-),男,江苏盐城人,博士,国家数字交换系统工程技术研究中心讲师,主要研究方向为网络信息安全。" ]
[ "汪斌强(1963-),男,安徽安庆人,博士,国家数字交换系统工程技术研究中心教授、博士生导师,主要研究方向为新型网络体系结构设计。" ]
[ "曹路佳(1983-),男,河北抚宁人,解放军信息工程大学助教,主要研究方向为网络安全。" ]
网络出版日期:2017-02,
纸质出版日期:2017-02-25
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张果, 胡宇翔, 黄万伟, 等. 基于流行内容感知和跟踪的协同缓存策略[J]. 通信学报, 2017,38(2):132-142.
Guo ZHANG, Yu-xiang HU, Wan-wei HUANG, et al. Coordinated caching scheme based on popular content awareness and tracking[J]. Journal on communications, 2017, 38(2): 132-142.
张果, 胡宇翔, 黄万伟, 等. 基于流行内容感知和跟踪的协同缓存策略[J]. 通信学报, 2017,38(2):132-142. DOI: 10.11959/j.issn.1000-436x.2017042.
Guo ZHANG, Yu-xiang HU, Wan-wei HUANG, et al. Coordinated caching scheme based on popular content awareness and tracking[J]. Journal on communications, 2017, 38(2): 132-142. DOI: 10.11959/j.issn.1000-436x.2017042.
针对内容中心网络(CCN
content centric networking)中沿路径缓存策略存在的问题,设计了一种最大介数节点和边缘节点协同的缓存策略。根据网络拓扑特性,在最大介数节点感知流行内容,边缘节点协同跟踪;依据内容流行度和缓存空间,指定内容在传输路径的存储位置。仿真实验表明,与经典算法相比,该策略有效提高了缓存命中率,同时降低了平均路由跳数比,改善了缓存系统的效率。
To overcome the problems of the on-path caching schemes in the content centric networking
a coordinated caching scheme based on the node with the max betweenness value and edge node was designed.According to the topol-ogy characteristics
the popular content was identified at the node with the max betweenness value and tracked at the edge node.The on-path caching location was given by the popularity and the cache size.Simulation results show that
com-pared with the classical schemes
this scheme promotes the cache hit ratio and decreases the average hop ratio
thus en-hancing the efficiency of the cache system.
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