Speaker: Taekyoung Kwon, Seoul National University Time: 11:00am - 12:15pm, Mar/5, Wednesday Room: CS 401 Talk #1: A Decentralized and Autonomous Content-centric Overlay Networking (DACON) Architecture for Pervasive Services (1) More and more wireless technologies are emerging for Internet access. However, end users who want pervasive connectivity cannot afford to subscribe to all the wireless Internet services. To provide content access services for the users without additional Internet access cost, we pay attention to user-deployable devices such as IEEE 802.11 access points and cellular home base stations. Exploiting these devices, we propose a decentralized autonomous content-centric overlay networking (DACON) architecture for pervasive content access. To encourage individuals to participate in DACON, we discuss how to incorporate financial incentive issues, so that those who deploy DACON hosts can profit by content distribution. Talk #2: Climber: An Incentive-based Resilient Peer-to-Peer System for Live Streaming Services (2) P2P systems are cost-effective and can be easily deployed only by leveraging the participating peers' resources (i.e., upload link bandwidth) to distribute contents. In this paper, we propose Climber, an incentive-based resilient P2P system, for live streaming services. Climber encourages each peer to provide more upload link bandwidth to the system, and embodies an incentive mechanism that improves resilience under high churning rate. The structure of Climber is a hybrid of a tree and a mesh,which self-improves and adapts to network churning rate. Simulation results are given to evaluate the performance of the proposed protocol. Short bio Taekyoung Kwon is an assistant professor at the School of Computer Science and Engineering, Seoul National University (SNU) since 2004. Before joining SNU, he was a Postdoctoral Research Associate at University of California, Los Angeles (UCLA), and at City University New York (CUNY). He obtained BS, MS and PhD degrees from the Department of Computer Engineering, SNU, South Korea, in 1993, 1995 and 2000, respectively. During his graduate program, he was a visiting student at IBM T.J. Watson Research Center and at University of North Texas. His research interest lies in wireless networks, mobile networks, P2P networking, and ubiquitous computing.