Peer-To-Peer Protocols and Applications have been widely used on Internet and produce the most significant portion of today’s Internet traffic. This workshop is organized with the objective of bringing together researchers of this area to present and discuss their latest research results and ideas, thereby promoting the development and evolution of Peer-To-Peer Networking. All submissions on Peer-To-Peer network architecture, design, implementation, simulation, analysis and measurement are welcomed. Organizers General Co-Chairs: Beixing Deng, Tsinghua University, China Xuan Zhang, Tsinghua University, China Yongfeng Huang, Tsinghua University, China TPC Co-Chairs: Cong Shi, Georgia Institute of Technology, USA Yang Chen, Tsinghua University, China TPC Members (provisional): Xiaofei Liao, Huazhong University of Science and Technology, China Mingzhong Xiao, Beijing Normal University, China Hongliang Yu, Tsinghua University, China Jinhua Xiong, Institute of Computing Technology, Chinese Academy of Sciences, China Yingchun Yang, Zhejiang University, China Shicong Meng, Georgia Institute of Technology, USA Dingyi Han, Shanghai Jiaotong University, China Bo Zhang, Rice University, USA Ye Wang, Yale University, USA Ang Li, Duke University, USA Haiyang Wang, Simon Fraser University, Canada Xiaohui Shi, Peking University, China Zengbin Zhang, University of California, Santa Barbara, USA Xiaohan Zhao, University of California, Santa Barbara, USA Hongqiang Liu, Tsinghua University, China