Di Wu

Associate Professor, Ph.D

Brief Bio

Di Wu joined the Department of Computer Science, Sun Yat-Sen University, Guangzhou, China, as an Associate Professor in July 2009. From 2007 to 2009, he was a Postdoctoral Researcher with the Department of Computer Science and Engineering, Polytechnic Institute of NYU, advised by Prof. Keith W. Ross. He was also working closely with Prof. Yong Liu and Prof. Joel Wein. His research interests include peer-to-peer networking, data-center networking, multimedia communication, Internet measurement, mobile computing, and network security.

He received the B.S. degree from the University of Science and Technology of China, Hefei, China, in 2000; the M.S. degree from the Institute of Computing Technology, Chinese Academy of Sciences, Beijing, China, in 2003; and the Ph.D. degree in Computer Science and Engineering from the Chinese University of Hong Kong, Shatin, Hong Kong, in 2007.

He is a Member of the Association for Computing Machinery (ACM), IEEE and Sigma Xi. He was the winner of the IEEE INFOCOM 2009 Best Paper Award.

Research
Interests

His research interests are broadly in the areas of Networking, Distributed Systems and Multimedia communication.

Through his research, he aims to better understand the behavior of existing systems, and use this knowledge to build more scalable and efficient networking systems. In particular, he is interested in open problems in data center networking, multimedia streaming, Internet content distribution, peer-to-peer and overlay networks, network security, etc.

Recent
Publications

For his full pubication list, refer to the publication page. You can click here to get his Google Scholar citations.

Unraveling the BitTorrent Ecosystem
Chao Zhang, Prithula Dhungel, Di Wu and Keith W. Ross
In IEEE Transactions on Parallel and Distributed Systems (IEEE TPDS)
Volume 22, Issue 7, Pages 1164 - 1177, July 2011.

On the Privacy of Peer-Assisted Distribution of Security Patches
Di Wu, Cong Tang, Prithula Dhungel, Nitesh Saxena and Keith W. Ross
In Proc. of IEEE International Conference on Peer-to-Peer Computing (IEEE P2P '10),
Delft, Netherlands, Aug 2010.

Understanding Peer Exchange in BitTorrent Systems
Di Wu, Prithula Dhungel, Xiaojun Hei, Chao Zhang, and Keith W. Ross
In Proc. of IEEE International Conference on Peer-to-Peer Computing (IEEE P2P '10),
Delft, Netherlands, Aug 2010.

Understanding and Improving Incentives in Private P2P Communities
Zhengye Liu, Prithula Dhungel, Di Wu, Chao Zhang, and Keith W. Ross
In Proc. of the 30th International Conference on Distributed Computing Systems (IEEE ICDCS '10)
Genoa, Italy, Jun 2010.

Modeling and Analysis of Multi-Channel P2P Live Video Systems
Di Wu, Yong Liu and Keith W. Ross
In IEEE/ACM Transactions on Networking,
Volume 18, Issue 4, Pages 1248-1260, Aug. 2010.

BitTorrent Darknets
Chao Zhang, Prithula Dhungel, Di Wu, Zhengye Liu, and Keith W. Ross
In IEEE Conference on Computer Communications (IEEE INFOCOM '10),
San Diego, CA, Mar 2010.

Queuing Network Models for Multi-Channel P2P Live Streaming Systems [PDF]
Di Wu, Yong Liu and Keith W. Ross
In IEEE Conference on Computer Communications (IEEE INFOCOM '09),
Rio de Janeiro, Brazil, Apr 2009. (Best Paper Award of Infocom 2009, 1 out of 1,435 submitted papers)

View-Upload Decoupling: A Redesign of Multi-Channel P2P Video Systems [PDF]
Di Wu, Chao Liang, Yong Liu and Keith W. Ross
In IEEE Conference on Computer Communications (IEEE INFOCOM '09), Mini-conference
Rio de Janeiro, Brazil, Apr. 2009.

Resilient and Efficient Load Balancing in Distributed Hash Tables [PDF]
Di Wu, Ye Tian and Kam-Wing Ng
In Elsevier Journal of Network and Computer Applications (Elsevier JNCA),
Volume 32, Issue 1, Pages 45-60, 2009.

A Measurement Study of Attacks on BitTorrent Leechers [PDF]
Prithula Dhungel, Di Wu, Brad Schonhorst, and Keith W. Ross
In Proc. of 7th International Workshop on Peer-to-Peer Systems (IPTPS '08)
Tampa Bay, FL, Feb 2008.

Stochastic Analysis of the Interplay between Object Maintenance and Churn [PDF]
Di Wu, Ye Tian, Kam-Wing Ng and Anwitaman Datta
In Elsevier Computer Communications, Special Issue on Foundations of Peer-to-Peer Computing (Elsevier Comcom)
Volume 31, Issue 2, Pages 220-239, 2008.

Analytical Study on Improving DHT Lookup Performance under Churn [PDF]
Di Wu, Ye Tian and Kam-Wing Ng
In Proc. of IEEE International Conference on Peer-to-Peer Computing (IEEE P2P'06)
Cambridge, UK, Sep. 2006. (Acceptance Ratio: 19%)

Modeling, Analysis and Improvement for BitTorrent-Like File Sharing Networks [PDF]
Ye Tian, Di Wu and Kam-Wing Ng
In Proc. of IEEE Annual Conference on Computer Communications (IEEE INFOCOM'06)
Barcelona, Spain, Apr. 2006. (Acceptance Ratio: 18%)

Teaching