%0 Journal Article
%T Study of Network Cost Based Cache Policy for Streaming Media<br>基于网络代价的流媒体缓存策略研究
%A Liao Jian-xin
%A Yang Bo
%A Zhu Xiao-min
%A Zhang Hao
%A <br>廖建新
%A 杨波
%A 朱晓民
%A 张昊
%J 电子与信息学报
%D 2007
%I 
%X By taking the popularity character of the media program and the cost of the transmission network into consideration,a novel caching utility function is proposed.A Network Cost Based streaming media cache allocation and replacement(NCB)algorithm is designed for multi-server streaming application.Simulation proves that,by employing the NCB algorithm,the cache hit rate can be improved obviously and the total network cost can be decreased effectively.In the Internet streaming application environment,where the network connections between content servers and caching proxy are heterogeneous,the amount of streaming programs is huge,the NCB shows good performance.
%K Streaming media
%K Network cost
%K Cache allocation and replacement algorithm<br>流媒体
%K 网络代价
%K 缓存分配与替换算法
%U http://www.alljournals.cn/get_abstract_url.aspx?pcid=5B3AB970F71A803DEACDC0559115BFCF0A068CD97DD29835&cid=1319827C0C74AAE8D654BEA21B7F54D3&jid=EFC0377B03BD8D0EF4BBB548AC5F739A&aid=DAED49AD7747D981&yid=A732AF04DDA03BB3&vid=771469D9D58C34FF&iid=9CF7A0430CBB2DFD&sid=7A4D490451ECA9E5&eid=ACC52FE434DCDA93&journal_id=1009-5896&journal_name=电子与信息学报&referenced_num=0&reference_num=7