He is director of Network Center and Technical Committee of China Education and Research Network (CERNET), director of the National Engineering Laboratory for Next Generation Internet, a member of Advisory Committee of National Information Infrastructure for Secretariat of State Council of China, and Vice President of Internet Society of China (ISC). And he is the IEEE Fellow and was also the Chairman of Asia Pacific Advanced Network from 2007-2011. He has devoted himself to the teaching and research on computer network science for more than thirty years. He published more than 300 papers, has more than 30 professional patents, and cultivated more than 100 undergraduates.
He developed 3 IETF RFCs as the first author. He is the chair scientist of National Basic Research Program of China (973): “Research on Architecture of Next Generation Internet”. He has received countless awards including the Outstanding Youth by the National Natural Science Foundation of China; Chair Professorship Award for Cheung Kong Scholars Program; China’s Top Ten Distinguished Specialists of IEEE Spectrum in 2005; IPv6 Pioneer Award in 2007; Prize for Scientific and Technological Progress of Ho Leung Ho Lee Foundation in 2008; and Jonathan B. Postel Service Award in 2010.