A proposal of effective cooperative caching system based on random access assumption

被引：0
|
作者：
Ishii, M [1 ]
Hattori, S [1 ]
机构：
[1] Kanazawa Inst Technol, Dept Informat Engn, Kanazawa, Ishikawa 9218501, Japan
来源：
IEICE TRANSACTIONS ON COMMUNICATIONS | 2004年 / E87B卷 / 06期
关键词：
cooperative cache; CDN; Poisson distribution;
D O I：
暂无
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
In this letter, we propose an effective cooperative caching system under the assumption that each web object is accessed randomly. Under this assumption, the access frequency per unit time is given by Poisson distribution and the probability distribution of the web object in the future is derived. Based on this probability distribution, one can obtain the criterion to allocate the web objects with more access expected to the cache servers closer to clients. It is also shown that there is a tradeoff between the precision to allocate objects and the efficiency of caching.
引用
收藏
页码：1741 / 1745
页数：5
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