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With the emergence of various advanced networks that comprise a group of geographically distributed servers, such as content delivery networks (CDNs) and peer-to-peer (P2P) systems, coordinated en-route Web caching in multiserver networks becomes increasingly attractive but remains of great challenge as solutions for single-server networks become invalid here. In this paper, we first establish mathematical...
Coordinated en-route Web caching has been studied extensively in the recent years. In that scheme, all requests are destined to one server and the requested object is selectively cached at nodes on the route of each response message. In this paper, we extend the scheme to a p-server network and optimize the caching decision by considering all requests that pass through individual nodes on a route,...
Dual-server coordinated en-route caching is important because of its basic features as multi-server en-route caching. In this paper, multi-server coordinated en-route caching is formulated as an optimization problem of minimizing total access cost, including transmission cost for all access demands and caching cost of all caches. We first discuss an algorithm for single-server en-route caching in...
In this paper, two cache replacement algorithms are presented. One is based on association rules, in which we extend the LRU replacement algorithm by making it sensible to Web access models extracted from Web log data using Web mining techniques. The other one is based on Markov models, in which we improve the LRU replacement algorithm by applying Markov models.
Multimedia object caching, by which the same multimedia object can be adapted to diverse mobile appliances through the technique of transcoding, is an important technology for improving the scalability of Web services, especially in the environment of mobile networks. The performance of multimedia object caching mainly depends on how the objects are selected to be removed for a new object (multimedia...
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