Alexander Kesselman Zvi Lotker Yishay Mansour Boaz Patt-Shamir Baruch Schieber Maxim Sviridenko Buffer overflow management in QoS switches. 520-529 2001 conf/stoc/2001 STOC http://doi.acm.org/10.1145/380752.380847 db/conf/stoc/stoc2001.html#KesselmanLMPSS01