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发明授权
CN101409624B 规则匹配装置和方法 失效 - 权利终止 转让

规则匹配装置和方法
摘要：
本发明公开了一种规则匹配装置和方法。所述规则匹配的装置包含内容匹配模块和第一规则匹配模块；所述内容匹配模块搜索所述数据流寻找内容组；所述内容组被整理成规则组，所述规则组包含具有单一内容的简单规则和具有多重内容的复杂规则；所述第一规则匹配模块连接到所述内容匹配模块，根据所述内容匹配模块的一个搜索结果判断是否所述规则组被所述数据流匹配；所述第一规则匹配模块根据所述搜索结果更新多个状态寄存器，并且每个状态寄存器能显示规则组中的一个规则是否被所述数据流匹配。本发明所述的规则匹配装置和方法，可有效利用资源，并具有相对高的灵活性和相对低的价格。
摘要（英）：

Apparatus and methods for performing a rule matching are disclosed. In one embodiment, an apparatus for performing a rule matching includes a content matching module and a first rule matching module. The content matching module searches the data stream for contents. The contents are organized into rules including a simple rule with a single content and a complex rule with multiple contents. The first rules matching module is coupled to the content matching module for determining whether the rules are matched by the data stream according to a searching result of the content matching module. Tothis end, the first rule matching module updates status registers according to the searching result and each status register can indicate whether one of the rules is matched by the data stream.

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