00313nas a2200121   4500000000100000008004100001100001600042700002400058700001400082245007400096300001400170490000700184       2001                            d1 aR. Laalaoua1 aTadeusz Czachórski1 aT. Atmaca00aDiffusion approximation and markovian models of RED control mechanism  a343–3540 v13