(PDF) Accelerating XML query matching through custom

3 XPath Matching Hardware Architecture Using an XML stream as input,we present a full-hardware XPath matching system on FPGAs; this section describes the details of the proposed approach.We start by providing an overview of our SAX Parser implementation,built upon a tag decoder,leading to a resource-optimized XML event notier and overall 12345NextA Dynamically Reconfigurable FPGA-Based Pattern Matching Computer Science.IEICE Trans.Inf.Syst.SUMMARY In this paper,we propose a novel architecture for largescale regular expression matching,called dynamically reconfigurable bitparallel NFA architecture (Dynamic BP-NFA),which allows dynamic loading of regular expressions on-the-fly as well as efficient pattern matching for fast data streams.This is the first dynamically reconfigurable hardware with guaranteed performance for the class of extended patterns,which is a subclass of regular

A Synthesizable Memory Grid using BRAMs and Function

e-ISSN 2319 4200,p-ISSN No. 2319 4197 iosrjournals DOI 10.9790/4200-0604027177 iosrjournals 71 Page A Synthesizable Memory Grid using BRAMs and Function Generators to Enhance Throughput Efficiency in Regular Expression Pattern Matching CircuitsAn Efficient GPU-Based Multiple Pattern Matching Algorithm Apr 28,2016·In this paper,we propose a novel GPU-based parallel multiple-patterns-matching algorithm for packet filtering based on the Bloom-filter architecture.The Bloom-filter architecture is a memory-efficient probabilistic data structure that can save GPU memory space.Author Cheng Qing Guo,Jun Feng XuPublish Year 2014Fast and memory-efficient regular expression matching for Dec 03,2006·Compared to the state-of-art NFA-based implementation,our DFA-based packet scanner achieves 50 to 700 times speedup. Time and area efficient pattern matching on FPGAs, Proc.FPGAs,2004.Google Scholar J.Turner.,Algorithms to accelerate Multiple Regular Expression Matching for Deep Packet Inspection, ACM Sigcomm 2006.Google

Cited by 9Publish Year 2017Author Che-Lun Hung,Chun-Yuan Lin,Po-Chang Wu(PDF) An Evaluation of FPGA-based IDS Pattern Matching

Abstract Pattern matching is one of the most computationally intensive tasks in network security systems.Numerous pattern matching approaches have been proposed in the past.The most common ones use regular expressions,discrete comparators or CAM,Efficient Multiple Regular Matching on FPGAs based on E Efficient Multiple Regular Expression Matching on FPGAs based on E tendedExtended SHIFTAND Method *Yusaku Kaneta,Shingo Yoshizawa,Shinichi Minato,HirokiArimura andYoshikazu Miyanaga [R48] ,(Graduate School of IST,Hokkaido University,Japan) Largescale pattern matching problem on hardwares A large number (e.g.thousands) of complex (e.g.regularEstimated Reading Time 11 minsFast and Scalable Regular Expressions Matching with Multi Dec 16,2015·Regular expression matching plays an important role in modern Deep Packet Inspection (DPI) engines,to classify or filter packets by matching their payloads toward a series of pre-defined rules represented as regular expressions.Generally,finite automaton-based approaches are utilized to perform fast and scalable regular expression matching.

Estimated Reading Time 9 minsEfficient Regular Expression Evaluation from Theory to

carry out an evaluation on FPGAs and memorybased ASIC architectures.We conclude the discussion in Section 7.2.ACKGROUND B The prior work in the area of regular expression matching at line rate can be categorized by distinct implementation targets FPGA-based designs [14][15][16][17][18] [19][20]Fast Regular Expression Matching Using FPGAsThis paper presents an efficient method for finding matches to a given regular expression in given text using FPGAs.To match a regular expression of length n,a serial machine requires 0 (2^n Fast Regular Expression Matching using FPGAs Request PDFAbstract.This paper presents an efficient method for finding matches to a given regular expression in given text using FPGAs.To match a regular expression of length n,a serial machine requires

Fast and memory-efficient regular expression matching for

Compared to the state-of-art NFA-based implementation,our DFA-based packet scanner achieves 50 to 700 times speedup. Time and area efficient pattern matching on FPGAs, Proc.FPGAs,2004.Google Scholar J.Turner.,Algorithms to accelerate Multiple Regular Expression Matching for Deep Packet Inspection, ACM Sigcomm 2006.Google Fast,memory-efficient regular expression matching with Oct 27,2011·Multiple regular expressions may trigger a match on an input symbol; these regular expressions can be identified using the set of states that appear in the conjunction F (x ) A (x ).3 The total number of matches triggered shown in Table 1 is not indicative of the number of alerts produced by Snort because our signature sets only contain patterns from the pcre and uricontent fields of theHIGH-SPEED REGULAR EXPRESSION MATCHING ENGINEbased regex matching logic for a(bc)*(d|e),where the boxes a to e are character comparators.The simple and efficient NFA logic design enables high throughput.Since logic needs to be reconfigured when regexes are modified,the use of a reconfigurable device like a FPGA is required.2.2.NFA-based Regex Matching Logic using Multi-Character NFA

High performance FPGA and GPU complex pattern

In [34] an NFA implementation of regular expressions on FPGAs is described.A pattern matching approach,built on GPU-based NFA regular expression engine is reported in [5].Generating hardware code from Perl Compatible Regular Expressions (PCRE) is proposed in [18].Theworkin[17] focuses on DFA implementations of regular expressions,while merging commonalities among multiple DFAs.The use of regularHigh-speed regular expression matching engine using multi View Essay - High-speed regular expression matching engine using multi-character NFA from EE 533 at University of Southern California.HIGH-SPEED REGULAR EXPRESSION MATCHING ENGINE USINGPartial character decoding for improved regular expression The designs achieve 1.6-3.2 Gbps throughput using 10-30% area of a large FPGA for matching over 1,500 regular expressions; that is 10-20x more efficient than previous FPGA-based works and

Pattern-Unit Based Regular Expression Matching with

·Area-Efficient Near-Associative Memories on FPGAs ´ UDIT DHAWAN and ANDRE DEHON,University of Pennsylvania Associative memories can map sparsely used keys to values with low latency but can incur heavy area overheads.The lack of customized hardware for associative memories in today's mainstream FPGAs exacerbates the overhead cost of building these memories using the fixed address match Regular Expression Matching Algorithm Based on FPGA With the rapid development of network bandwidth,the matching-performance of regular expression is gradually of crucial importance for networking security.There are many hardware acceleration designs of regular expression matching on the basis of NFA and DFA,of which NFA designs require more logic circuit resources while the DFA designs more memory resources.