Can anybody tell me what is meant by a "Batch Arrival Process" ?i mean what is a batch ,are u aggregating the packets to make a batch or something else ?and in this sense what is meant by "batch size" and "batch interarrival time "?is it the same as Burst size and burst interarrival time in Optical burst networks ? any help would be highly regarded . thank you ! -- Pranay Prateek Department of Electrical Enginnering Indian Institute of Technology ,Madras Chennai ,India .