Network topology confusion method and system for defending link flooding attack

Network topology confusion method and system for defending link flooding attack

The invention relates to a network topology confusion method and system for defending link flooding attacks, and the method comprises the steps: S1, collecting routing paths # imgabs5 # of a node set # imgabs0 #, a network link set # imgabs1 #, a network link bandwidth # imgabs2 #, a network flow se...

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Hauptverfasser: SUN QIBIN, HUANG XUANBO, LU JUN, HUANG ZIXU, ZHUANG YAN, CHEN LUTONG, XUE KAIPING
Format: Patent
Sprache:chi ; eng
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ELECTRIC COMMUNICATION TECHNIQUE
ELECTRICITY
TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHICCOMMUNICATION
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creator SUN QIBIN
HUANG XUANBO
LU JUN
HUANG ZIXU
ZHUANG YAN
CHEN LUTONG
XUE KAIPING
description The invention relates to a network topology confusion method and system for defending link flooding attacks, and the method comprises the steps: S1, collecting routing paths # imgabs5 # of a node set # imgabs0 #, a network link set # imgabs1 #, a network link bandwidth # imgabs2 #, a network flow set # imgabs3 # and a network flow set # imgabs4 # of a network to be protected, S2, calculating the traffic density of each # imgabs6 #, and if the traffic density is higher than the traffic density of # imgabs7 #, adding a key link set # imgabs8 #; s3, if the # imgabs9 # contains the key link, adding the # imgabs10 # into the to-be-confused stream set; s4, splitting the to-be-confused stream set into an invariant stream and an operation stream; s5, splitting a key link of the operation flow into two virtual links, and obtaining a virtual routing path; s6, randomly selecting a virtual link and calculating the traffic density of the virtual link, and if the traffic density is lower than a threshold value, adding a pl
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subjects ELECTRIC COMMUNICATION TECHNIQUE
ELECTRICITY
TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHICCOMMUNICATION
title Network topology confusion method and system for defending link flooding attack
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