Harry G. Perros is a Professor of Computer Science at NC State University, an Alumni Distinguished Graduate Professor, and a Fellow of IEEE. He is also the Program Coordinator of the Master of Science degree in Computer Networks at NC State University. He received the B.Sc. degree in Mathematics in 1970 from Athens University, Greece, the M.Sc. degree in Operational Research with Computing from Leeds University, England, in 1971, and the Ph.D. degree in Operations Research from Trinity College Dublin, Ireland, in 1975. He has held visiting faculty positions at INRIA, Rocquencourt, France, NORT...