The network filled with vast amounts of information, which are continuing to grow rapidly.People rely on traditional search engines to find the information and resources, the effect has been somewhat unsatisfactory. P2P technology has brought us a new concept and method to retrieve, will become the future development direction of the search engine8. In this paper, P2P technology, P2P search and classification are briefly summarized and compared. It also points out the future development direction of P2P search technology.%网络上充斥着海量的信息,并且还在不断地迅速增长.人们依靠传统搜索引擎来寻找自己想要的信息和资源,其效果已经显得有些不尽人意.P2P技术给人们带来了一种全新的检索理念和方式,必将成为未来搜索引擎的发展方向.文中对P2P技术、P2P搜索及其分类作了简单总结和比较,并指出了P2P搜索技术未来的发展方向.
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