Sumit Kasera is Senior Technical Leader at Flextronics Software Systems (formerly Hughes Software Systems), India. He has a B. Tech degree in Computer Science and Engineering from IIT, Kharagpur, India, and an M.S. degree in Software Systems from Birla Institute of Technology and Science, Pilani, India. His current area of interest is software development for GSM, GPRS, and EDGE access network. Sumit is also experienced in software development for networking protocols like ATM, TCP/IP, and 3G UMTS. He has been an active participant in various technical forums like ITU-T, ATM Forum and 3GPP, wh...