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1. 中国科学院计算技术研究所,北京 100190
2. 中国科学院大学,北京100049
3. 中国科学院信息工程研究所,北京 100093
[ "韩春静(1978-),女,河南郑州人,中国科学院计算技术研究所博士生,中国科学院信息工程研究所高级工程师、硕士生导师,主要研究方向为网络测量与行为分析、网络信息流识别与处理等。" ]
[ "杨晔(1995-),男,安徽池州人,中国科学院计算技术研究所博士生,主要研究方向为下一代互联网。" ]
[ "吕红蕾(1981-),女,河北邢台人,中国科学院信息工程研究所高级工程师、硕士生导师,主要研究方向为网络测量与行为分析、大规模网络流数据处理等。" ]
[ "葛敬国(1973-),男,安徽肥东人,博士,中国科学院信息工程研究所研究员、博士生导师,主要研究方向为网络体系结构与安全防护、网络测量与行为分析。" ]
[ "李佟(1978-),男,辽宁盘锦人,中国科学院信息工程研究所高级工程师、硕士生导师,主要研究方向为网络和计算机体系结构、网络测量与行为分析。" ]
[ "刘韵洁(1943-),男,山东烟台人,中国科学院院士,中国科学院计算技术研究所教授、博士生导师,主要研究方向为未来网络架构及关键技术、网络融合与演进。" ]
网络出版日期:2017-12,
纸质出版日期:2017-12-25
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韩春静, 杨晔, 吕红蕾, 等. 面向应用感知的骨干网缓存方法研究[J]. 通信学报, 2017,38(12):73-85.
Chun-jing HAN, Ye YANG, Hong-lei LYU, et al. Research on the backbone network cache method based on application-awareness[J]. Journal on communications, 2017, 38(12): 73-85.
韩春静, 杨晔, 吕红蕾, 等. 面向应用感知的骨干网缓存方法研究[J]. 通信学报, 2017,38(12):73-85. DOI: 10.11959/j.issn.1000-436x.2017226.
Chun-jing HAN, Ye YANG, Hong-lei LYU, et al. Research on the backbone network cache method based on application-awareness[J]. Journal on communications, 2017, 38(12): 73-85. DOI: 10.11959/j.issn.1000-436x.2017226.
基于某运营商骨干网上9亿条HTTP请求,分析了HTTP请求组成、内容长度、流行度和时间动态性,提出一种面向应用感知的骨干网缓存方法(AACM,application-aware backbone network cache method)。实验结果表明在缓存空间略有增加的情况下,在线视频的内容命中率提高了15%以上,回源流量和缓存负载这些指标降低了一半左右。
Based on over 900 million HTTP requests from an ISP backbone network,the HTTP characteristic of different content types from a wide range of perspectives was analyzed,including request composition,size,popularity and temporal dynamics,and an application-aware backbone network cache method was proposed,referred to as AACM.The experiment results show that in the case of a slight increase in cache space,the hit ratio of the online-video increases 15%, and the total source traffic and cache I/O load reduced by about half.
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