Journal on Communications ›› 2018, Vol. 39 ›› Issue (8): 140-149.doi: 10.11959/j.issn.1000-436x.2018140

• Papers • Previous Articles     Next Articles

DDoS attack detection method based on conditional entropy and GHSOM in SDN

Junfeng TIAN1,2,Liuling QI1,2   

  1. 1 School of Cyber Security and Computer,Hebei University,Baoding 071002,China
    2 Key Lab on High Trusted Information System in Hebei Province,Baoding 071002,China
  • Revised:2018-07-03 Online:2018-08-01 Published:2018-09-13
  • Supported by:
    The National Natural Science Foundation of China(61170254);The Natural Science Foundation of Hebei Province(F2016201244)

Abstract:

Software defined networking (SDN) simplifies the network architecture,while the controller is also faced with a security threat of “single point of failure”.Attackers can send a large number of forged data flows that do not exist in the flow tables of the switches,affecting the normal performance of the network.In order to detect the existence of this kind of attack,the DDoS attack detection method based on conditional entropy and GHSOM in SDN (MBCE&G) was presented.Firstly,according to the phased features of DDoS,the damaged switch in the network was located to find the suspect attack flows.Then,according to the diversity characteristics of the suspected attack flow,the quaternion feature vector was extracted in the form of conditional entropy,as the input features of the neural network for more accurate analysis.Finally,the experimental environment was built to complete the verification.The experimental results show that MBCE&G detection method can effectively detect DDoS attacks in SDN network.

Key words: software defined networking, conditional entropy, neural network, DDoS attack

CLC Number: 

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