METHOD FOR DETECTING DUPLICATE PACKETS IN A NETWORK TRAFFIC FLOW Russian patent published in 2023 - IPC H04L47/10 H04L47/32 

Abstract RU 2790636 C1

FIELD: data networks.

SUBSTANCE: maximum time during which packets with the same descriptor value are considered duplicates (LIMIT_T) is set. If it is determined in the duplicate search block that the parameters of the analyzed packet from the descriptor do not match the parameters from the RAM memory, then the information about the packet is overwritten in the RAM memory, and the packet is transferred to the output interface. If it is determined in the duplicate search block that the parameters of the analysed packet from the descriptor match the parameters of the packet from RAM memory, and the time differenceΔT is greater than or equal to the set time LIMIT_T, then the packet parameters are overwritten in RAM-memory, and the packet is transmitted to the output interface. If it is determined in the duplicate search block that the parameters of the analysed packet from the descriptor match the parameters of the packet from RAM memory, and the time differenceΔT is less than the set time LIMIT_T, then the packet is removed from the packet buffer.

EFFECT: increasing the performance of systems for deep analysis of network traffic by reducing the load through eliminating duplicate packets.

1 cl, 3 dwg, 3 ex

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RU 2 790 636 C1

Authors

Badin Mikhail Viktorovich

Mikhailov Aleksei Mikhailovich

Plotko Sergei Alekseevich

Dates

2023-02-28Published

2022-06-06Filed