Andreas Pitsillides Petros A. Ioannou Marios Lestas Loukas Rossides Adaptive nonlinear congestion controller for a differentiated-services framework. 94-107 2005 13 IEEE/ACM Trans. Netw. 1 http://portal.acm.org/citation.cfm?id=1056408.1056417 db/journals/ton/ton13.html#PitsillidesILR05