In wireless network environment,various types of Denial of Service attacks are possible due to its inherent characteristic limitations such as lack of a centralized authority,easy eavesdropping,etc.An adhoc network is a collection of wireless mobile nodes that forms a temporary network without any centralized administration.Compared to conventional wired and other wireless networks,an ad-hoc network is more vulnerable to DOoS attack due to all nodes in such network are deployed in an opened,self-organized environment.In order to detect and defense DDoS attack to an ad hoc network,we proposed a complete,active,and effective DDoS detection and defense model.
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