In order to improve the performance of suspicious traffic detection algorithm in software defined network
this paper proposes a method for detecting suspicious traffic of nearest neighbor based on undirected graph process. OpenFlow module is used to create data stream
and the intrusion rules are constructed. Then
based on the map nodes/edges represent with the Markov chain
the undirected graph was used to represent the attack characteristics
it realized the incremental implementation of new attacks
which could reduce the computational complexity of constructing undirected graph
and the nearest neighbor algorithm was used to classify the malicious attack traffic characteristics of undirected graph to achieve effective detection of attacks. Finally
the performance of the proposed algorithm is verified by the SDN test platform.
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references
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