Invited Talks -- Digital Fountains and Their Application to Informed Content Delivery over Adaptive Overlay Networks -- Securing the Net: Challenges, Failures and Directions -- Regular Papers -- Coterie Availability in Sites -- Keeping Denial-of-Service Attackers in the Dark -- On Conspiracies and Hyperfairness in Distributed Computing -- On the Availability of Non-strict Quorum Systems -- Musical Benches -- Obstruction-Free Algorithms Can Be Practically Wait-Free -- Efficient Reduction for Wait-Free Termination Detection in a Crash-Prone Distributed System -- Non-blocking Hashtables with Open Addressing -- Computing with Reads and Writes in the Absence of Step Contention -- Restricted Stack Implementations -- Proving Atomicity: An Assertional Approach -- Time and Space Lower Bounds for Implementations Using k-CAS -- (Almost) All Objects Are Universal in Message Passing Systems -- ? Meets Paxos: Leader Election and Stability Without Eventual Timely Links -- Plausible Clocks with Bounded Inaccuracy -- Causing Communication Closure: Safe Program Composition with Non-FIFO Channels -- What Can Be Implemented Anonymously? -- Waking Up Anonymous Ad Hoc Radio Networks -- Fast Deterministic Distributed Maximal Independent Set Computation on Growth-Bounded Graphs -- Distributed Computing with Imperfect Randomness -- Polymorphic Contention Management -- Distributed Transactional Memory for Metric-Space Networks -- Concise Version Vectors in WinFS -- Adaptive Software Transactional Memory -- Optimistic Generic Broadcast -- Space and Step Complexity Efficient Adaptive Collect -- Observing Locally Self-stabilization in a Probabilistic Way -- Asymptotically Optimal Solutions for Small World Graphs -- Deciding Stability in Packet-Switched FIFO Networks Under the Adversarial Queuing Model in Polynomial Time,.-Compact Routing for Graphs Excluding a Fixed Minor -- General Compact Labeling Schemes for Dynamic Trees -- The Dynamic And-Or Quorum System -- Brief Announcements -- Byzantine Clients Rendered Harmless -- Reliably Executing Tasks in the Presence of Malicious Processors -- Obstruction-Free Step Complexity: Lock-Free DCAS as an Example -- Communication-Efficient Implementation of Failure Detector Classes and -- Optimal Resilience for Erasure-Coded Byzantine Distributed Storage -- Agreement Among Unacquainted Byzantine Generals -- Subscription Propagation and Content-Based Routing with Delivery Guarantees -- Asynchronous Verifiable Information Dispersal -- Towards a Theory of Self-organization -- Timing Games and Shared Memory -- A Lightweight Group Mutual k-Exclusion Algorithm Using Bi-k-Arbiters -- Could any Graph be Turned into a Small-World? -- Papillon: Greedy Routing in Rings -- An Efficient Long-Lived Adaptive Collect Algorithm.