Bibtex Entry:

@inproceedings{walfish2010ddos,
   author =       "Michael Walfish and Mythili Vutukuru and Hari Balakrishnan and David Karger and Scott Shenker",
   title =        "{DDoS Defense by Offense (expanded journal version)}",
   booktitle =    {ACM Transactions on Computer Systems},
   year =         {2010},
   month =        {March},
   address =      {, }
}