中文摘要：

Li Yuhong received her doctoral degree from the Technical University of Braunschweig, Germany. She is an associate professor at the Institute of Networking Technology, Beijing University of Posts and Telecommunications （BUPT）. She has led and participated in many projects funded by the National High Technology Research and Development Program of China （＂863＂ Program）, National Natural Science Foundation of China, Sixth Framework Programme （FP6） of the EU, Seventh Framework Programme （FPT） of the EU, and national and international enterprises. She has published over 50 articles, 30 of which are indexed by Science Citation Jndex （SCI） and Engineering Index （El）. Her research interests include Internet architecture, self-organizing network technology, and wireless mobile network technology and applications. Cheng Shiduan is a professor and doctoral advisor at the State Key Laboratory of Networking and Switching Technology, BUPT. She has been involved in communications and computer network research and development for many years She was formerly the leader of the Networking and Switching Export Group of the National ＂863＂ Communication Subjects, and director of the State Key Laboratory of Networking and Switching Technology, BUPT （1992-1999）. Cheng Shiduan is now a council member of the Beijing Institute of Communications （BIC）, and a commissioner of the China Communications Standards Association. Her current research interests include new-generation Internet architecture, and performance optimization technology