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  Karger, David Add to Alert Profile  
 
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  DDoS defense by offense
Walfish M., Vutukuru M., Balakrishnan H., Karger D., Shenker S. ACM Transactions on Computer Systems 28(1): 1-54, 2010.  Type: Article

Two methods are usually used to defend against distributed denial-of-service (DDoS) attacks: the first method provides lots of resources to satisfy requests, so that services cannot be denied; the other method builds a blacklist for de...
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Jul 9 2010  
  Approximate graph coloring by semidefinite programming
Karger D., Motwani R., Sudan M. Journal of the ACM 45(2): 246-265, 1998.  Type: Article

The authors approach the coloring problem, which is known to be NP-hard, by finding an approximate optimum graph coloring. They relax the coloring problem by assigning unit vectors to graph vertices instead of assigning colors, and the...
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Jul 1 1998  

   
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