- Principal Investigator, Theory research on next generation Content Delivery Network, Chinese Natural Science Foundation (No. 60873254), 2009/1-2011/12.
- Principal Investigator, Research and development of Internet video DRM and content tracing technologies, Science and Technology Program of Beijing, 2008/09-2009/08.
- Principal Investigator, Content Delivery Network: Architecture,Theory and Key Technologies, Tsinghua & ChinaCache Joint Lab founding,2008-2010.
- Principal Investigator, P2P-based Secure Live Streaming System, the National High Technology Research and Development (863)Program of China (No.2007AA01Z400), 2008/1-2009/12.
- Principal Investigator, Peer-assisted Content Delivery Network:Architecture and Theory,Advance Research of National 973 Project,No.2008CB317101, 2008-2009.
- Principal Investigator, An Analytical Study and Industrial Practice of Peer-Server-Peer Media Distribution Network,” The Okawa Foundation for information and Telecommunications, 2008/1-2009/12.
- Principal Investigator, “Theory Research on the Secure and High-Performance Streaming System based on the P2P Technoloty,” funded by the Chinese Natural Science Foundation (No.60673184), RMB 260K, 2007/1--2009/12.
- Principal Investigator, “Theory Research on Availability Model for the Data Service System & Evaluation Software Design,” funded by the China Mobile Communications Corp Research , RMB 200K, 2006/9--2007/2.
- Principal Investigator, “Network Management System,” funded by the Corporation , 2005/11--2006/4.
- Principal Investigator, “DRM System over Application-layer Supported Multimedia System,” funded by the Microsoft Research, Aisa, 2006/1--2006/12.
- Principal Investigator, “Multiple Time Scale QoS Control for Video Delivery Over IP Network,” funded by the Chinese Natural Science Foundation (No.60372019), 2004/1--2004/12.
- Principal Investigator, “Theory Research on Secure Transmission of Application-Supported Video Multicast,” funded by the Chinese Natural Science Foundation (No.60473086), RMB 230K, 2005/1--2007/12.
- Principal Investigator, “Network-Centric Computing & Web Service ,” funded by Microsoft Outstanding Curriculum Foundation, RMB 80K, 2004/9—2005/12.
- Principal Investigator, “Online Prediction Theory of Network Traffic Based on Time Series Model,” funded by the Chinese Post-Doctor Science Foundation (No. 2003034152), RMB 10K, 2004/1--2004/12.
- Co-PI, “Effective Video Multicast in Wireless IP Networks: Rate Allocation and End-to-End Adaptation,” funded by Chinese Natural Science Foundation, 2005/1-2007/12.





