Characterizing the Global Impact of P2P Overlays on the AS-Level Underlay -- Investigating Occurrence of Duplicate Updates in BGP Announcements -- A Measurement Study of the Origins of End-to-End Delay Variations -- Yes, We LEDBAT: Playing with the New BitTorrent Congestion Control Algorithm -- Measuring and Evaluating TCP Splitting for Cloud Services -- The Myth of Spatial Reuse with Directional Antennas in Indoor Wireless Networks -- Influence of the Packet Size on the One-Way Delay in 3G Networks -- An Experimental Performance Comparison of 3G and Wi-Fi -- Extracting Intra-domain Topology from mrinfo Probing -- Quantifying the Pitfalls of Traceroute in AS Connectivity Inference -- Toward Topology Dualism: Improving the Accuracy of AS Annotations for Routers -- The RIPE NCC Internet Measurement Data Repository -- Enabling High-Performance Internet-Wide Measurements on Windows -- MOR: Monitoring and Measurements through the Onion Router -- Evaluating IPv6 Adoption in the Internet -- Internet Usage at Elementary, Middle and High Schools: A First Look at K-12 Traffic from Two US Georgia Counties -- A First Look at Mobile Hand-Held Device Traffic -- A Learning-Based Approach for IP Geolocation -- A Probabilistic Population Study of the Conficker-C Botnet -- Network DVR: A Programmable Framework for Application-Aware Trace Collection -- OpenTM: Traffic Matrix Estimator for OpenFlow Networks -- Web Timeouts and Their Implications -- A Longitudinal View of HTTP Traffic.

This book constitutes the refereed proceedings of the 11th International Conference on Passive and Active Measurement, PAM 2010, held in Zurich, Switzerland, in April 2010. The 22 revised full papers and 2 revised demo papers presented were carefully reviewed and selected from 77 submissions. The papers focus on research and practical applications of routing, transport protocols, mobile devices, topology, measurement infrastructure, characterizing network usage, analysis techniques, traffic analysis, and the web.