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中文摘要：
为研究Web对象的可缓存性并提高缓存效率,提出了基于请求方式、HTTP状态码及HTTP参数的Web对象可缓存性评价模型,分析讨论了Web对象可缓存性评价指标。利用了Web对象可缓存度及可缓存率概念,研究了Web对象的可缓存性,采用缓存加速比指标,度量了Web缓存效率。实验与分析结果表明,可缓存率越高,缓存的污染越小,缓存加速比越大,缓存效率提升得越明显。
英文摘要：
In order to study web objects＇cacheability and improve efficiency of web cache system,the evaluation model ofweb cacheable objects,which is based on request methods,HTTP response status and HTTP parameters,is proposed.Cacheability index and cacheability percentages in evaluation model are employed to evaluate cacheability of web object,while web cache＇s efficiency can be measured by values of cache speed-up.Experimental results show that for a given request sequence,the higher cacheability,the lower pollution of the cache,while the efficiency of web cache will be promoted correspondingly.
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