计算机科学 ›› 2014, Vol. 41 ›› Issue (12): 57-59.doi: 10.11896/j.issn.1002-137X.2014.12.013
严鹤,刘威,张戈,程文青
YAN He,LIU Wei,ZHANG Ge and CHENG Wen-qing
摘要： KAD网络的查询性能受到P2P节点动态特性的影响。以节点ID在路由表中重复出现的次数作为节点活跃度的表征,提出了一种基于活跃节点的KAD网络查询方法。该方法首先通过网络爬虫获取KAD网络的分布式路由信息,然后获取当前活跃节点的集合,最后将活跃节点作为查询过程中的备选节点。实验结果表明,与现有的查询方法相比,该方法在查询时间上减少了60%,在获取文件范围上提高了18%,较显著地提升了查询的效率。
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