Ulf Bodin Andreas Jonsson Olov Schelén On Creating Proportional Loss-Rate Differentiation: Predictability and Performance. 372-388 2001 conf/iwqos/2001 IWQoS http://link.springer.de/link/service/series/0558/bibs/2092/20920372.htm db/conf/iwqos/iwqos2001.html#BodinJS01