<?xml version="1.0" encoding="UTF-8"?><xml><records><record><source-app name="Biblio" version="7.x">Drupal-Biblio</source-app><ref-type>47</ref-type><contributors></contributors><titles><title><style face="normal" font="default" size="100%">An evolutionary scheme for Web Replication and Caching</style></title></titles><dates><year><style  face="normal" font="default" size="100%">2006</style></year></dates><language><style face="normal" font="default" size="100%">eng</style></language><abstract><style face="normal" font="default" size="100%">&lt;p&gt;Design and implementation of eectivecaching schemes has been a critical issue withrespect to World Wide Web ob jects circulation and availability Caching and replication have been combined and applied in prototype systems in order to reduce the overallbandwidth and increase systems fault tolerance This paper presents a model for optimizing access performance when requesting Web ob jects across distributed systems Thereplication and caching scheme is designed by the use of an evolutionary computationalgorithm Cached data are considered as a population evolving over simulated timereplicating the most prominent data to dedicated replication servers The simulationmodel is experimented and tested under cache traces provided by the Squid proxy cacheserver at the Aristotle University of Thessaloniki Cache hit rates and bytes hit length arereported showing that the proposed evolutionary mechanisms improve cache consistencyand reliability.&lt;/p&gt;
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