andpanelsonactivemobilenetworking,peer-to-peer,andthefutureprospects for active network research and deployment. We would like to thank the technical program committee members for their hard work in reviewing and shepherding papers. We would like to thank Be- hardPlattner,PlaciFlury,andLukasRuffortheirconsiderabletimeandsupport inconferenceorganization,andforprovidingtheinfrastructureattheSwissF- eralInstituteofTechnology(ETH),Z¿urich that made the work of the program committee considerably easier. And of course it is the work of the authors that isthecoreoftheseproceedings,andtheattendees¿participationthatmakesfor an outstanding working conference. We hope you enjoy the fruits of their labor.

Includes supplementary material: sn.pub/extras

Snow on Silk: A NodeOS in the Linux Kernel.- PromethOS: A Dynamically Extensible Router Architecture Supporting Explicit Routing.- The OKE Corral: Code Organisation and Reconfiguration at Runtime Using Active Linking.- Lightweight Thread Tunnelling in Network Applications.- RADAR: Ring-Based Adaptive Discovery of Active Neighbour Routers.- Integrated Service Deployment for Active Networks.- Component-Based Deployment and Management of Services in Active Networks.- ANQL - An Active Networks Query Language.- Predictable, Lightweight Management Agents.- Open Packet Monitoring on FLAME: Safety, Performance, and Applications.- Active Networks for 4G Mobile Communication: Motivation, Architecture, and Application Scenarios.- Evolution in Action: Using Active Networking to Evolve Network Support for Mobility.- AMnet 2.0: An Improved Architecture for Programmable Networks.- Design and Implementation of a Python-Based Active Network Platform for Network Management and Control.- Designing Service-Specific Execution Environments.- ROSA: Realistic Open Security Architecture for Active Networks.- A Flexible Concast-Based Grouping Service.- Programmable Resource Discovery Using Peer-to-Peer Networks.- Feature Interaction Detection in Active Networks.- Flexible, Dynamic, and Scalable Service Composition for Active Routers.