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1. 北京交通大学电子信息工程学院,北京100044
2. 河南科技大学信息工程学院,河南 洛阳471023
[ "冯博昊(1988-),男,北京人,北京交通大学博士生,主要研究方向为未来互联网体系架构、信息为中心网络、网络缓存、软件定义网络、时延容忍网络等。" ]
[ "周华春(1965-),男,安徽贵池人,北京交通大学教授、博士生导师,主要研究方向为未来互联网体系架构、移动互联网、网络安全、空间网络等。" ]
[ "张宏科(1957-),男,山西大同人,北京交通大学教授、博士生导师,主要研究方向为下一代互联网架构、协议理论与技术、移动互联网络路由、传感器网络技术等。" ]
[ "张明川(1977-),男,河南汝州人,河南科技大学副教授、硕士生导师,主要研究方向为下一代互联网架构、信息中心网络、路由协议、物联网技术等。" ]
网络出版日期:2016-03,
纸质出版日期:2016-03-25
移动端阅览
冯博昊, 周华春, 张宏科, 等. 智慧协同网络服务内容在传输路径上的缓存分配策略[J]. 通信学报, 2016,37(3):129-138.
Bo-hao FENG, Hua-chun ZHOU, Hong-ke ZHANG, et al. Cache allocation policy of service contents along delivery paths for the smart collaborative network[J]. Journal on communications, 2016, 37(3): 129-138.
冯博昊, 周华春, 张宏科, 等. 智慧协同网络服务内容在传输路径上的缓存分配策略[J]. 通信学报, 2016,37(3):129-138. DOI: 10.11959/j.issn.1000-436x.2016060.
Bo-hao FENG, Hua-chun ZHOU, Hong-ke ZHANG, et al. Cache allocation policy of service contents along delivery paths for the smart collaborative network[J]. Journal on communications, 2016, 37(3): 129-138. DOI: 10.11959/j.issn.1000-436x.2016060.
针对智慧协同网络提出一种服务内容在传输路径上的缓存分配策略。该策略根据服务内容的流行度部署其在传输路径上的缓存位置,以求充分、高效地发挥网络缓存作用,进而提升网络的总体性能。所提分配策略分别在5层树型拓扑和由279个节点组成的真实网络拓扑中进行了性能测试。结果显示,该策略在所测的性能参数中表现出色,就平均服务获取距离而言,较命名数据网络(NDN
named data nerworking)所使用的LCE(leave copy everywhere)策略,其性能提高20%以上。
A cache allocation policy(CA)of service contents along delivery paths was proposed for the smart collabora-tive network.CA allocates on-path caches to service contents based on their popularity
expecting to fully and efficiently utilize the cache resource along the delivery path and further improving the network performance.The performance of proposed policy CA was evaluated under a 5-layer tree topology and a 279-node real network topology.The results show that CA outperforms others in terms of tested performance indexes.Compared with LCE(leave copy everywhere)used by named data networking(NDN)
CA reduces the distance that users fetch service contents over 20%.
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