Workshop Report -- Workshop Report -- Security and Incentives -- A Self-repairing Peer-to-Peer System Resilient to Dynamic Adversarial Churn -- A First Look at Peer-to-Peer Worms: Threats and Defenses -- A Taxonomy of Rational Attacks -- Search -- Brushwood: Distributed Trees in Peer-to-Peer Systems -- Arpeggio: Metadata Searching and Content Sharing with Chord -- OverCite: A Cooperative Digital Research Library -- Miscellaneous -- NetProfiler: Profiling Wide-Area Networks Using Peer Cooperation -- A Statistical Theory of Chord Under Churn -- Peering Peer-to-Peer Providers -- Multicast -- The Impact of Heterogeneous Bandwidth Constraints on DHT-Based Multicast Protocols -- Chainsaw: Eliminating Trees from Overlay Multicast -- FeedTree: Sharing Web Micronews with Peer-to-Peer Event Notification -- Overlay Algorithms -- Hybrid Overlay Structure Based on Random Walks -- Quickly Routing Searches Without Having to Move Content -- Practical Locality-Awareness for Large Scale Information Sharing -- Empirical Studies -- An Empirical Study of Free-Riding Behavior in the Maze P2P File-Sharing System -- Clustering in P2P Exchanges and Consequences on Performances -- The Bittorrent P2P File-Sharing System: Measurements and Analysis -- Miscellaneous -- Dynamic Load Balancing in Distributed Hash Tables -- High Availability in DHTs: Erasure Coding vs. Replication -- Conservation vs. Consensus in Peer-to-Peer Preservation Systems -- Exploiting Network Locality -- Locality Prediction for Oblivious Clients -- Impact of Neighbor Selection on Performance and Resilience of Structured P2P Networks -- Evaluating DHT-Based Service Placement for Stream-Based Overlays.