00339nas a2200145   4500000000100000000000100001000000100002008004100003100001600044700002400060700001400084245007400098300001400172490000700186       2001                            d1 aR. Laalaoua1 aTadeusz Czachórski1 aT. Atmaca00aDiffusion approximation and markovian models of RED control mechanism  a343–3540 v13