Office:  LC 258
        Phone : (718) 260-3959, FAX:    (718) 260-3906
        Email:  yongliu@poly.edu 

• "Optimal Bandwidth Sharing in Multi-Swarm Multi-Party P2P Video Conferencing Systems", 
  Chao Liang, Miao Zhao, and Yong Liu,
  accepted for publication in IEEE/ACM Transactions on Networking,available as [Technical Report];
  
  
• "Peer-to-Peer Streaming of Layered Video: Efficiency, Fairness and Incentive",
  Hao Hu, Yang Guo and Yong Liu, 
  in  IEEE Transactions on Circuits and Systems for Video Technologies, Volume 21, Number 8, August 2011, conference version appeared in the Proceedings of NOSSDAV, 2010 [pdf], full versioin availabe as [Technical Report]
  
  
• "ViVUD: Virtual Server Cluster based View-Upload Decoupling for Multi-Channel P2P Video Streaming Systems",
  Chao Liang and Yong Liu, 
  to appear in the Proceedings of IEEE GLOBECOM, 2010 [pdf],
  
  
• "P2P Trading in Social Networks: The Value of Staying Connected",
  Zhengye Liu, Hao Hu, Yong Liu,  Keith Ross, Yao Wang, and Markus Mobius,
  in the Proceedings of IEEE Conference on Computer and Communications (INFOCOM) 2010 [pdf].
  
  
• "Delay Bounds of Chunk-based Peer-to-Peer Video Streaming",
  Yong Liu,
  in IEEE/ACM Transactions on Networking, Volume 18, Number 4, August 2010, conference version appeared in the Proceedings of ACM Multimedia, September, 2007, [pdf], full versioin availabe as [Technical Report]
  
  
• "Modeling and Analysis of Multi-Channel P2P Live Video Systems",
  Di Wu, Yong Liu and Keith Ross,
  to appear in IEEE/ACM Transactions on Networking.
  
  
• "iPASS: Incentivized Peer-assisted System for Asynchronous Streaming"
  Chao Liang, Zhenghua Fu, Yong Liu and Chai Wah Wu
  in IEEE Transactions on Parallel and Distributed Systems, Volume 21, Number 9, September, 2010,.
  
  
• "Queuing Network Models for Multi-Channel P2P Live Streaming Systems",
  Di Wu, Yong Liu and Keith Ross,
  in the Proceedings of IEEE Conference on Computer and Communications (INFOCOM) 2009, available as Technical Report.
   
• "View-Upload Decoupling: A Redesign of Multi-Channel P2P Video Systems",
  Di Wu, Chao Liang Yong Liu and Keith Ross,
  in the Proceedings of IEEE Conference on Computer and Communications (INFOCOM) Mini-Conference, 2009, full version available as Technical Report.
     
• "iPASS: Incentivized Peer-assisted System for Asynchronous Streaming",
  Chao Liang, Zhenghua Fu, Yong Liu,  and Chai Wah Wu,
  in the Proceedings of IEEE Conference on Computer and Communications (INFOCOM) Mini-Conference, 2009,  full version available as Technical Report.
  
  
• "Investigating the Scheduling Sensitivity of P2P Video Streaming: an experimental study",
  Chao Liang, Yang Guo and Yong Liu,
  in IEEE Transactions on Multimedia, Volume 11, Number 3, April, 2009 [pdf],.  
  
  
• "Is Random Scheduling Sufficient in P2P Video Streaming?",
  Chao Liang, Yang Guo and Yong Liu,
  in the Proceedings of the 28th International Conference on Distributed Computing Systems (ICDCS 2008), June, 2008.

• "Adaptive Queue-based  Chunk Scheduling for P2P Live Streaming"
  Yang Guo , Chao Liang, and Yong Liu,
  in the Proceedings of IFIP Networking, May, 2008, available as Technical Report.
  
  
• "A survey on peer-to-peer video streaming systems",
  Yong Liu, Yang Guo and Chao Liang,
  in Journal of Peer-to-Peer Networking and Applications, by Springer New York, Feburary, 2008, [pdf]
  
  
• "IPTV over P2P Streaming Networks: the Mesh-pull Approach",
  Xiaojun Hei, Yong Liu and Keith Ross,
  in IEEE Communications Magazine, February 2008;
  
  
• "Inferring Network-Wide Quality in P2P Live Streaming Systems",
  Xiaojun Hei, Yong Liu and Keith Ross,
  in IEEE JSAC special issue on advances in P2P streaming, Volume 25, Number 9. December 2007, available as Technical Report.  awarded the Best Paper in Multimedia Communications of the IEEE Communications Society (ComSoc) in 2008 (selected from papers published in IEEE ComSoc sponsored journals and conferences in 2006 & 2007).
  
  
• "A Measurement Study of a Large-Scale P2P IPTV System",
  Xiaojun Hei, Chao Liang, Jian Liang, Yong Liu and Keith Ross,
  in IEEE Transactions on Multimedia, Volume 9, Number 8, December, 2007, available as Technical Report.
  
  
• "Hierarchically Clustered P2P Streaming System",
  Chao Liang, Yang Guo and Yong Liu,
  in the Proceedings of IEEE Globecom, November, 2007.
  
  
• "On the Minimum Delay Peer-to-Peer Video Streaming: how realtime can it be?",
  
Yong Liu,
in the Proceedings of ACM Multimedia, September, 2007, [pdf], full versioin availabe as [Technical Report]


• "Stochastic Fluid Theory for P2P Streaming Systems",
  Rakesh Kumar, Yong Liu and Keith Ross,
  in the Proceedings of IEEE Conference on Computer and Communications (INFOCOM) 2007, available as Technical Report.
  
  
• "Insight into PPLive: A Measurement Study of a Large-Scale P2P IPTV System",
  Xiaojun Hei, Chao Liang, Jian Liang, Yong Liu and Keith Ross,
  WWW 2006 workshop of IPTV services over World Wide Web [pdf].

• "Joint Traffic Blocking and Routing under Network Failures and Maintenances",
  Chao Liang, Zihui Ge and Yong Liu,
  in the Proceedings of IEEE Globecom, November, 2007, available as Technical Report
  
  
• "A Distributed Algorithm for Joint Sensing and Routing in Networks with Non-Steerable Directional Antennas",
  Chun Zhang, Jim Kurose, Yong Liu, Don Towsley and Michael Zink
  in the Proceedings of 14th IEEE International Conference on Network Protocols (ICNP) 2006, available as Technical Report.
  
  
• "On the TCP-Friendliness of VoIP Traffic",
  Tian Bu, Yong Liu, and Don Towsley,
  in the Proceedings of IEEE Conference on Computer and Communications (INFOCOM) 2006 [pdf].


• "Optimal Routing with Multiple Traffic Matrices: Tradeoff between Average Case and Worst Case Performance",
  Chun Zhang, Zihui Ge, Jim Kurose, Yong Liu, and Don Towsley,
  in the Proceedings of 13th IEEE International Conference on Network Protocols (ICNP) 2005 [pdf].


• "On Optimal Routing with Multiple Traffic Matrices",
  Chun Zhang, Yong Liu, Weibo Gong, Jim Kurose, Robert Moll and Don Towsley,
  in the Proceedings of IEEE Conference on Computer and Communications (INFOCOM) 2005, available as CMPSCI Technical Report 04-60 [pdf].


• "Unresponsive Flows and AQM Performance",
  C. V. Hollot, Yong Liu, Vishal Misra and Don Towsley,
  in the Proceedings of IEEE Conference on Computer and Communications (INFOCOM) 2003, [pdf].


• "Challenges to Congestion Control Posed by Concurrent Downloads",
  Yong Liu and Weibo Gong
  in the Proceedings of IEEE Conference on Decision and Control (CDC) 2002. [pdf].

• "An Information-theoretic Approach to Network Monitoring and Measurement",
  Yong Liu, Don Towsley, Tao Ye and Jean Bolot,
  in the Proceedings of ACM SIGCOMM Internet Measurement Conference (IMC) 2005 [ pdf].


• "An Information Theoretic Approach to Network Trace Compression",
  Yong Liu, Don Towsley, Jing Weng and Dennis Goeckel,
  UMass CMPSCI Technical Report 05-03 [pdf].


• "Self-Similarity and Long Range Dependence on the Internet: A second look at the evidence, origins and implications",
  Weibo Gong, Yong Liu, Vishal Misra and Don Towsley,
  in Computer Networks Journal, Volume 48, Issue 3, June 2005 [pdf].


•  "On the Tails of Web File Size Distributions",
   Weibo Gong, Yong Liu, Vishal Misra and Don Towsley,
  in the Proceedings of the 39th Annual Allerton Conference on Communication, Control and Computing, 2001 [ps.gz ].
  

• "Scalable Fluid Models and Simulations for Large-Scale IP Networks",
  Yong Liu, Francesco Lo Presti, Vishal Misra, Don Towsley and Yu Gu,
  in ACM Transactions on Modeling and Computer Simulation, July 2004 [pdf]
  
  
• "On Integrating Fluid Models with Packet Simulation",
  Yu Gu, Yong Liu and Don Towsley,
  in the Proceedings of IEEE Conference on Computer and Communications (INFOCOM) 2004 [pdf].
  
  
• "Fluid Models and Solutions for Large-Scale IP Networks",
  Yong Liu, Francesco Lo Presti, Vishal Misra, Don Towsley and Yu Gu,
  in the Proceedings of ACM International Conference on Measurement and Modeling of Computer Systems (SIGMETRICS) 2003, [pdf].
  

• "Scalable Video Multicast in Hybrid 3G/Ad-hoc Networks",
  Sha Hua, Yang Guo, Yong Liu, Hang Liu, and Shivendra Panwar,
  in the Proceedings of IEEE Globecom, November, 2009
  


• "On the Capacity of Hybrid Wireless Networks with Opportunistic Routing",
  Tan Le and Yong Liu,
  in the Proceedings of International Conference on Wireless Algorithms, Systems and Applications, August 2009.
  


• "A Distributed Algorithm for Joint Sensing and Routing in Wireless Networks with Non-Steerable Directional Antennas",
  Chun Zhang, Jim Kurose, Yong Liu, Don Towsley and Michael Zink,
  in the Proceedings of 14th IEEE International Conference on Network Protocols (ICNP) 2006 [pdf].


• "Performance Evaluation of TCP Implementations in Optical Burst Switching Networks",
  Xiang Yu, Chunming Qiao, Yong Liu and Don Towsley,
  under submission, available upon REQUEST .


• "TCP Implementations and False Time Out Detection in Optical Burst Switching Networks",
  Xiang Yu, Chunming Qiao and Yong Liu,
  in the Proceedings of IEEE Conference on Computer and Communications (INFOCOM) 2004 [pdf].


• "Analysis of an AIMD Based Collision Avoidance Protocol in Wireless Data Networks",
   Songlin Cai, Yong Liu and Weibo Gong,
  in the Proceedings of IEEE Conference on Decision and Control (CDC) 2003 [pdf].

• "Impact of Arrival Burstiness on Queue Length: An Infinitesimal Perturbation Analysis,"
  Yan Cai, Yong Liu, Weibo Gong and Tilman Wolf, 
  Proceedings of IEEE Conference on Decision and Control (CDC), December, 2009.


• "Two-level Stochastic Fluid Tandem Queuing Model for Burst Impact Analysis",
  Yong Huang, Yong Liu, Weibo Gong and Don Towsley,
  Proceedings of IEEE Conference on Decision and Control (CDC), December 2007.
  
  
•  "On Fluid Queueing System with Strict Priority",
  Yong Liu and Weibo Gong,
  IEEE Transactions on Automatic Control, December, 2003 [pdf].
  
  
• "Perturbation Analysis for Stochastic Fluid Queueing Systems",
  Yong Liu and Weibo Gong,
  Discrete Event Dynamic Systems: Theory and Applications, 12, 391-416, 2002. [pdf].

• “Detecting and Blocking P2P Botnets through Contact Tracing Chains”,
  Zhiyong Huang, Xiaoping Zeng, and Yong Liu,
  in the International Journal of Internet Protocol Technology 2010, Vol. 5, No.1/2  pp. 44 - 54 [pdf],
  
  
• "Client-Controlled Slow TCP and Denial of Service",
  Songlin Cai, Yong Liu and Weibo Gong,
  in the Proceedings of IEEE Conference on Decision and Control (CDC) 2004 [pdf].


•  "On the Impact of Concurrent Downloads",
  Yong Liu, Weibo Gong and Prashant Shenoy,
  in the Proceedings of Winter Simulation Conference (WSC) 2001. [pdf]


•  "Reconfigurable Sequential Control in Distributed Computer Control Systems",
  Yong Liu and Guozhong Pang,
  Micro-computer Informatics,  October, 1997 [in Chinese]