Wang Yan was born in 1977. She received her B. S. in 1999 and M. S. degrees in 2003 from Southwest Petroleum University respectively. She is currently a Ph. D. candidate in University of Electronic Science and Technology of China. Her main research interests include survivability of GMPLS networks, traffic engineering and new network architecture. E-mail: wangyan0409@163.com. Zheng Junhui was born in 1977. He is now a teacher in Southwest University for Nationlities. His research interests include mobile communication and reliability theory. Zeng Jiazhi was born in 1939. He is a professor and Ph.D. supervisor in University of Electronic Science and Technology of China. His main research interests include communication networks, new network architecture and QoS of networks.