6Dittrich D.Distributed Denial of Service(DDoS) Attacks/tools[OL].http://staff.washington.edu/dittricb/misc/ddos/.
7Kargl F,Maier J,Weber M.Protecting web servers from distributed denial of service attacks[A].In Proc.International Conference on World Wide Web[C].2001.
8Hussain A,Heidemann J,Papadopoulos C.A framework for classifying denial of service attacks[A].In Proc.ACM SIGCOMM[C].2003.
9Mirkovic J,Reiher P.A taxonomy of DDoS attack and DDoS defense mechanisms[J].ACM SIGCOMM Computer Communications Review.2004,34(2):39-53.
10Carl G,Kesidis G,Brooks R R,et al.Denial-of-service attackdetection techniques[J].IEEE Internet Computing.2006,10(1):82-89.
