Lakshminarayanan Subramanian Ion Stoica Hari Balakrishnan Randy H. Katz OverQoS: An Overlay Based Architecture for Enhancing Internet QoS. 71-84 2004 conf/nsdi/2004 NSDI http://www.usenix.org/events/nsdi04/tech/subramanianOver.html db/conf/nsdi/nsdi2004.html#SubramanianSBK04