Yang Zhang

1.    Data Dissemination in Vehicular Ad hoc Networks (2005- present): The specific goal of this project is to provide a data dissemination framework for VANET. We address three intertwined issues: (1) design and evaluate three push-based data dissemination schemes. (2) design and evaluate pull-based data dissemination protocols suitable for sparsely connected VANET, and propose solutions to combine push/pull-based techniques to reduce the data access delay and bandwidth consumption; (3) infrastructure support (e.g., wireless relay, infostations) is used to further improve the system performance.

2.    Consistency Maintenance for Cooperative Caching in Mobile Peer to Peer Networks (2004-2005): sponsored by Hong Kong Polytechnic University Gran, Hong Kong. Our goal and my responsibility are to design an effective consistency maintenance strategy for cooperative caching in mobile p2p networks.

3.    Research on Key Techniques on Running, Managing and Scheduling of Application Servers (2002-2005): sponsored by National 863 High-Tech Key Project, China. Our goal is to (1) study the techniques on running, managing and scheduling of web-based application servers; (2) provide the functions of organizing, managing and optimizing the servers effectively; and (3) set up a distributed application-servers platform with high scalability and availability to facilitate the development of web-based services and other applications. My responsibility is to (1) study the QoS characters of the assumed applications of our platform and the whole framework of our platform with application servers and (2) design and implement the admission control module.

4.     Large-Scale Scalable Distributed Multimedia Servers (2000-2002): sponsored by National 863 High- Tech Key Project, China. It includes techniques of multimedia storage system, multi-server and network supporting streaming media. My responsibility is to design and implement the admission control module for the distributed multimedia system to balance the performance of the system and the QoS of clients.

Journal Paper

• J. Zhao, Y. Zhang and G. Cao, "Data Pouring and Buffering on The Road: A New Data Dissemination Paradigm for Vehicular Ad Hoc Networks," IEEE Transactions on Vehicular Technology, to appear.

• Jiannong Cao, Yang Zhang, Li Xie, Guohong Cao, "Data Consistency Maintenance for Cooperative Caching in Mobile Environments," IEEE Computer, 40(4), pp. 60-66, April 2007.

• Yang Zhang, Jiannong Cao, Xiaolin Chen, Sanglu Lu, Li Xie, "Threshold-Based Admission Control Strategies in Grid Systems: Analysis and Performance Evaluation,"  Concurrency and Computation: Practice and Experience, John Wiley & Sons, Inc. USA, Jan, 2006.

• Jiannong Cao, Yang Zhang, Li Xie, Guohong Cao, "Consistency of cooperative caching in mobile Peer-to-peer systems", International Journal of Parallel, Emergent and Distributed Systems (formerly Parallel Algorithms and Applications), Taylor & Francis Group, pp151-168, June 2006.

   Conference Paper

• Y. Zhang, J. Zhao and G. Cao, "On Scheduling Vehicle-Roadside Data Access," in Proc. of ACM VANET’ 07, in conjunction with Mobicom’ 07, Montreal, Canada, September 2007
• J. Zhao, Y. Zhang and G. Cao, "Improving Drive-Thru Access to Roadside Infrastructure by Lightweight Relay", IEEE Infocom Workshop on Mobile Networking for Vehicular Environments (MOVE-07), Anchorage, Alaska, May 2007.
• Wu Kun, Dai Han, Yang Zhang, Sanglu Lu, "NDP2PSim: A NS2-Based Platform for Peer-to-Peer Network Simulations," in Proc. of International Workshop on Service Grid Computing and Applications (SGCA 2005), in conjunction with ISPA05', Nanjing, China, Nov. 2005.

• Jiannong Cao, Yang Zhang, Li Xie, Guohong Cao, "Consistency Maintenance for Cooperative Caching of Mobile Peer to Peer System over MANET," in Proc. of the 3^rd International Workshop on Mobile Distributed Computing (MDC'05), in conjunction with ICDCS05', Columbus, Ohio, USA, June 5-10, 2005

• Yang Zhang, Jingyang Zhou, Jiannong Cao, Sanglu Lu, Li Xie, "A Novel Admission Control Strategy with Layered Threshold for Grid-Based Multimedia Services Systems," The 3^rd International Conference on Grid and Cooperative Computing (GCC 04'), Oct. 2004  (LNCS Vol 3251, pp687-695) 

• Yang Zhang, Jiannong Cao, Sanglu Lu, Baoliu Ye, Li Xie, "A QoS-Enabled Services System Framework for Grid Computing," The 3^rd International Conference on Grid and Cooperative Computing (GCC 04'), Oct. 2004, (LNCS Vol 3251, pp8-16)  

• Baoliu Ye, Jingyang Zhou, Yang Zhang, Daoxu Chen, "An Efficient Protocol for Peer-to-Peer File Sharing with Mutual Anonymity," to appear in The 3^rd International Conference on Grid and Cooperative Computing (GCC 04'), Oct. 2004, (LNCS Vol 3251, pp665-673)    

   Other Papers Published in Chinese Journals and Conferences

• Yang Zhang, Ying Wang, Sanglu Lu, Li Xie, "A Simplified Threshold-based Admission Control Strategy for Multimedia Service Systems," (in Chinese), The 19^th Chinese Annual Conference on Distributed  and Parallel Computing  Systems (DPCS04'), Oct. 2004

• Yang Zhang, Yingchun Cao, Hao Huang, Li Xie, "A Study of Security Threats and Countermeasures in Mobile Agent Systems," (in Chinese),  Computer Science, Mar. 2005

• Ying Wang, Tiecheng Gu, Yang Zhang, Sanglu Lu, Li Xie, "A Data Replication Policy for Heterogeneous VoD Server Clusters," (in Chinese)  to appear in Mini-Micro Systems   

• Yang Zhang, Jingyang Zhou, Sanglu Lu, Li Xie  "Research on Key Issues and Technologies of End-To-End Quality of Service For High-End Applications,"  (in Chinese) Computer Science, Mar. 2004  

• Jingyang Zhou, Yang Zhang, Wei Shan, Daoxu Chen, "Research on Admission Control in Distributed Video-on-Demand Systems," (in Chinese) Computer Science, Dec. 2003 

   Thesis

• "Data Caching in Mobile Computing Environments," Master Thesis, Jun 2005, Nanjing University, China

• "Hill Code: Analysis, Design and Implementation," (in Chinese) Bachelor Thesis, Jun. 2002, Nanjing University, China