He joined the UESTC faculty after receiving Ph.D. in Computer Science and Technology from UESTC, under the direction of Professor Zhiguang Qin. He worked at the Hong Kong University of Science and Technology (HKUST) as a visiting scholar in 2007. During Oct. 2011 to Jul. 2012, he worked at the department of EECS at Northwestern University as a visiting scholar. His research interests are in the area of computer networking with emphasis on Software Defined Networking, Network Measurement, and Online Social Networks.