TY - CPAPER AU - Tadeusz Czachórski AU - Ferhan Pekergin AU - B. Szady BT - Proc. of 12th Polish Teletraffic Symposium PSRT2005, Poznan, 20-21 September 2005. LA - eng PY - 2005 T2 - Proc. of 12th Polish Teletraffic Symposium PSRT2005, Poznan, 20-21 September 2005. TI - Forming optical packets, a diffusion approximation model ER -