System and method to traverse a non-deterministic finite automata (NFA) graph generated for regular expression patterns with advanced features

US9507563B2 · US · B2

Patent metadata
FieldValue
Publication numberUS-9507563-B2
Application numberUS-201414186913-A
CountryUS
Kind codeB2
Filing dateFeb 21, 2014
Priority dateAug 30, 2013
Publication dateNov 29, 2016
Grant dateNov 29, 2016

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Abstract

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In one embodiment, a method of walking a non-deterministic finite automata (NFA) graph representing a pattern includes extracting a node type and an element from a node of the NFA graph. The method further includes matching a segment of a payload for the element by matching the payload for the element at least zero times, the number of times based on the node type.

First claim

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What is claimed is: 1. A method of walking a non-deterministic finite automata (NFA) graph representing a pattern, the method comprising: by a processor, extracting a node type, a next node address, and an element from a node of the NFA graph; and by the processor, matching a segment of a payload with the element by matching the payload with the element at least zero times, a number of the at least zero times based on the node type, wherein extracting the node type, next node ad…

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What does patent US9507563B2 cover?
In one embodiment, a method of walking a non-deterministic finite automata (NFA) graph representing a pattern includes extracting a node type and an element from a node of the NFA graph. The method further includes matching a segment of a payload for the element by matching the payload for the element at least zero times, the number of times based on the node type.
Who is the assignee on this patent?
Cavium Inc
What technology area does this patent fall under?
Primary CPC classification H04L63/1408. Mapped technology areas include Electricity.
When was this patent published?
Publication date Tue Nov 29 2016 00:00:00 GMT+0000 (Coordinated Universal Time) (B2). Legal status and post-grant events are not shown on this page.
What related patents are in patentsdb?
We list 12 related publications on this page (citations in our corpus or others sharing the same primary CPC).