Efficient string matching: an aid to bibliographic search
Communications of the ACM
A String Matching Algorithm Fast on the Average
Proceedings of the 6th Colloquium, on Automata, Languages and Programming
Ixp2400-2800 Programming: The Complete Microengine Coding Guide
Ixp2400-2800 Programming: The Complete Microengine Coding Guide
Enhancing byte-level network intrusion detection signatures with context
Proceedings of the 10th ACM conference on Computer and communications security
Fast Regular Expression Matching Using FPGAs
FCCM '01 Proceedings of the the 9th Annual IEEE Symposium on Field-Programmable Custom Computing Machines
Algorithms to accelerate multiple regular expressions matching for deep packet inspection
Proceedings of the 2006 conference on Applications, technologies, architectures, and protocols for computer communications
Advanced algorithms for fast and scalable deep packet inspection
Proceedings of the 2006 ACM/IEEE symposium on Architecture for networking and communications systems
Network Algorithmics,: An Interdisciplinary Approach to Designing Fast Networked Devices (The Morgan Kaufmann Series in Networking)
An improved algorithm to accelerate regular expression evaluation
Proceedings of the 3rd ACM/IEEE Symposium on Architecture for networking and communications systems
Curing regular expressions matching algorithms from insomnia, amnesia, and acalculia
Proceedings of the 3rd ACM/IEEE Symposium on Architecture for networking and communications systems
A hybrid finite automaton for practical deep packet inspection
CoNEXT '07 Proceedings of the 2007 ACM CoNEXT conference
Deflating the big bang: fast and scalable deep packet inspection with extended finite automata
Proceedings of the ACM SIGCOMM 2008 conference on Data communication
An improved DFA for fast regular expression matching
ACM SIGCOMM Computer Communication Review
Deep packet inspection tools and techniques in commodity platforms: Challenges and trends
Journal of Network and Computer Applications
Designing a Programmable Wire-Speed Regular-Expression Matching Accelerator
MICRO-45 Proceedings of the 2012 45th Annual IEEE/ACM International Symposium on Microarchitecture
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Deep packet inspection is a fundamental task to improve network security and provide application-specific services. State-of-the-art systems adopt regular expressions due to their high expressive power. They are typically matched through deterministic finite automata (DFAs), but large rule sets need a memory amount that turns out to be too large for practical implementation. Many recent works have proposed improvements to address this issue, but they increase the number of transitions (and then of memory accesses) per character. This paper presents a new representation for DFAs, orthogonal to most of the previous solutions, called delta finite automata (δFA), which considerably reduces states and transitions while preserving a transition per character only, thus allowing fast matching. A further optimization exploits Nth order relationships within the DFA by adopting the concept of "temporary transitions."