I received Ph.D. from Tsinghua University. I am now an associate professor at Institute for Network Sciences and Cyberspace, Tsinghua University. My research focuses on internet, network system and network security. My research work has been supported by demonstration projects of the Ministry of Industry and Information Technology, National Natural Science Foundation, National Key R&D Plan, National 863 Project, 973 Project, National Laboratory Project, etc. I have already published nearly 100 SCI/EI top conference and journal papers in ACM SIGCOMM, ACM CoNEXT, and ACM CCS. I have applied for nearly 20 invention patents in the fields of network and security. Also, I have achieved many honors such as Excellent Open Source Project by the China Open Source Cloud Alliance. My research technology has already used in some national infrastructures (e.g., CERNET, CERNET2, FITI), the national economy and people’s livelihood industry departments such as China Telecom and the military, as well as high-tech enterprises such as Huawei, Tencent, Alibaba, and Green Alliance Technology.