详细信息
文献类型:期刊文献
中文题名:基于元组空间的位并行包分类算法
英文题名:Packet Classification Using Tuple Space-based Bit-Parallelism
作者:韩晓非[1];杨明福[1];王学光[1]
机构:[1]华东理工大学计算机科学与工程系,上海200237
年份:2003
卷号:39
期号:29
起止页码:188
中文期刊名:计算机工程与应用
外文期刊名:Computer Engineering and Applications
收录:CSTPCD;;北大核心:【北大核心2000】;CSCD:【CSCD2011_2012】;
语种:中文
中文关键词:数据包分类;路由查找;住并行;元组空间
外文关键词:packet classification,routing lookup,bit-parallelism,tuple space
摘要:随着网络的发展,路由器需要完成数据包过滤、QOS、流量计费等额外服务,这要求路由器能够以线速(wirespeed)完成对数据包的分类处理。位并行算法是一种快速的包分类算法,但由于空间占用量过大,它不能扩展到大规模规则库。该文从位并行算法入手,通过引入元组空间的概念提出了一种新的算法,在时间复杂度与空间复杂度上都较位并行算法有很大改进,并具有很好的扩展性。
With the development of the Internet,routers must support extra functions such as packet filtering,QOS and trafic billing.The input packets should be processed at wire speed to meet these demands.Bit-Parallelism is a fast scheme for packet classification,but it scales poorly as the filter databases grow in size.In this article,by taking the Bit-Parallelism scheme and adding the idea of tuple space,we produce a new algroithm called Tuple Space-based Bit-Parallelism(TSBP).The new algorithm reduces the complexities of both the time and storage and it can scale well with the growth of the filter databases in size.
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