Dan Dumitriu Edward W. Knightly Aleksandar Kuzmanovic Ion Stoica Willy Zwaenepoel Denial-of-service resilience in peer-to-peer file sharing systems. 38-49 2005 conf/sigmetrics/2005 SIGMETRICS http://doi.acm.org/10.1145/1064212.1064218 db/conf/sigmetrics/sigmetrics2005.html#DumitriuKKSZ05