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Fast Deep Packet Inspection with a Dual Finite Automata

Fast Deep Packet Inspection with a Dual Finite Automata. Cong Liu, Jie Wu IEEE TC (Accepted). Overview. Focus: Memory Requirement State Compression Separate NFA states (lead to explosion) to distinct automatas Dual FA: EDFA built from the remained states

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Fast Deep Packet Inspection with a Dual Finite Automata

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  1. Fast Deep Packet Inspectionwith a Dual Finite Automata Cong Liu, Jie Wu IEEE TC (Accepted)

  2. Overview • Focus: Memory Requirement • State Compression • Separate NFA states (lead to explosion) to distinct automatas • Dual FA: • EDFA built from the remained states • LFA built from the distinct automatas • Dual State per flow: • EDFA state + LFA state

  3. Overview • Transition may triggers state to be active: • EDFA -> EDFA • EDFA -> LFA • LFA -> EDFA • LFA -> LFA

  4. [I-Q] match states 3, 4, 5

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