John Soldatos Evangelos Vayias Panagiotis Stathopoulos Nikolas Mitrou Enforcing Effective Rates for Packet-Level QoS Control in IP Networks: Theory and Validation Based on Real Traffic Data. 9-31 2004 27 Telecommunication Systems 1 http://springerlink.metapress.com/index/10.1023/B:TELS.0000032941.38060.01 db/journals/telsys/telsys27.html#SoldatosVSM04