Apparatus and methods for performing a rule matching

Details Apparatus and methods for performing a rule matching Apparatus and methods for performing a rule matching

2011-03-08

2011-03-08

Corrielus, Jean M (Department: 2162)

Data processing: database and file management or data structures

Data integrity

Using checksum

C707S698000, C707S699000

Reexamination Certificate

active

07904433

ABSTRACT:
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. To this 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.

REFERENCES:
patent: 6799199 (2004-09-01), Segal et al.
patent: 7324990 (2008-01-01), Jaschek et al.
patent: 7587487 (2009-09-01), Gunturu
patent: 2009/0283583 (2009-11-01), Cowburn et al.
patent: 2009/0307112 (2009-12-01), Cowburn et al.

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