Prof. Cheng Shiduan graduated in communication engineering at the Beijing University of Posts and Telecommunications (BUPT) in 1963. Since then she has been working at BUPT. From 1984 to 1987 and in 1994 she twice joined Alcatel Bell, Belgium as a visiting scholar，where she was involved in ISDN and ATM R&D work. She became vice dean of The Computer Department of BUPT in 1987, and then the Director of the National Laboratory of Switching Technology and Telecommunication Networks in 1992. From 1992 to 1999 she was also a member of the steering group of 863 program, a national high-tech R&D plan, responsible for nationwide high-tech research projects in the field of switching and networking. Her current research interests are Next Generation Network and Next Generation Internet.