His research focuses on the development of advanced virtualization technologies for cyber security and for cloud computing. He has also made early contribution to the area of peer-to-peer media streaming. He received an NSF CAREER Award in 2006 for his research towards virtual infrastructures on shared distributed platforms. His paper on optimizing virtual machine networking performance received the Paper of Distinction recognition at the 2011 ACM Symposium on Cloud Computing. His website is at http://www.cs.purdue.edu/homes/dxu/.