State processor for pattern matching in a network monitor device
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United States of America Patent
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Nov 20, 2007
Grant Date -
Oct 7, 2004
app pub date -
Apr 20, 2004
filing date -
Jun 30, 1999
priority date (Note) -
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Abstract
A processor for processing contents of packets passing through a connection point on a computer network. The processor includes a searching apparatus having one or more comparators for searching for a reference string in the contents of a packet, and processes contents of all packets passing through the connection point in real time. In one implementation, the processor is programmable and has an instruction set that includes an instruction for invoking the searching apparatus to search for a specified reference string in the packet starting at an unknown location within a range of the packet.
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