Niels Drost Elth Ogston Rob van Nieuwpoort Henri E. Bal ARRG: real-world gossiping. 147-158 2007 conf/hpdc/2007 HPDC http://doi.acm.org/10.1145/1272366.1272386 db/conf/hpdc/hpdc2007.html#DrostONB07