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    • 8. 发明申请
    • SYSTEM AND METHOD FOR FILTERING A DATA PACKET USING A COMBINED FILTER
    • 使用组合过滤器过滤数据包的系统和方法
    • US20100272119A1
    • 2010-10-28
    • US12428359
    • 2009-04-22
    • Victor LiangAshish SinghalFei XieDavid Ho Suk Chung
    • Victor LiangAshish SinghalFei XieDavid Ho Suk Chung
    • H04L29/02
    • H04N21/4346H04N21/434H04N21/4348
    • System and method for filtering a data packet using a combined filter are disclosed. In one aspect, the method includes receiving a data packet and N filters. The method includes receiving a data packet and N (wherein N is an integer and N>1) filters, each filter comprising a bit mask and corresponding bit values. The method further includes, for each of the N filters, identifying a key element from a portion of the filter corresponding to a combined filter, the key element being a segment of the filter portion having the. richest bit pattern. The method further includes generating the combined filter by combining the key element of the N filters. The method further includes filtering the data packet with the combined filter to determine whether there is a match between the data packet and each key element.
    • 公开了使用组合滤波器对数据分组进行过滤的系统和方法。 一方面,该方法包括接收数据分组和N个滤波器。 该方法包括接收数据分组和N(其中N是整数和N> 1)个滤波器,每个滤波器包括比特掩码和对应的比特值。 该方法还包括对于N个滤波器中的每个滤波器,从对应于组合滤波器的滤波器的一部分中识别键元件,键元件是具有滤波器部分的滤波器部分。 最富有的位模式。 该方法还包括通过组合N个滤波器的关键元件来生成组合滤波器。 该方法还包括用组合滤波器对数据分组进行过滤,以确定数据分组和每个关键单元之间是否存在匹配。