Ting Wang Li Wen Wei Li Jing Tao Alan Wang Fred Baker Traffic Shaping in BitTorrent Systems by Centralized Hierarchical Peer-Node Assignment. 1787-1791 2008 ICC http://dx.doi.org/10.1109/ICC.2008.343 conf/icc/2008 db/conf/icc/icc2008.html#WangWLTWB08