Keynote -- Optimization Problems in Service Provisioning Systems -- Markov Chains -- Untold Horrors About Steady-State Probabilities: What Reward-Based Measures Won’t Tell About the Equilibrium Distribution -- Compositionality for Markov Reward Chains with Fast Transitions -- Closed Form Absorption Time Bounds -- A Canonical Representation of Order 3 Phase Type Distributions -- Process Algebras and State Machines -- SPAMR: Extending PAMR with Stochastic Time -- Faster SPDL Model Checking Through Property-Driven State Space Generation -- Testing Finite State Machines Presenting Stochastic Time and Timeouts -- Grid and Peer-to-Peer Systems -- Evaluation of P2P Search Algorithms for Discovering Trust Paths -- Building Online Performance Models of Grid Middleware with Fine-Grained Load-Balancing: A Globus Toolkit Case Study -- Performance Measuring Framework for Grid Market Middleware -- Queueing Theory and Applications of Queueing -- A Fixed-Point Algorithm for Closed Queueing Networks -- A Framework for Automated Generation of Architectural Feedback from Software Performance Analysis -- Optimal Dynamic Server Allocation in Systems with On/Off Sources -- Towards an Automatic Modeling Tool for Observed System Behavior -- Benchmarking and Bounding -- Censoring Markov Chains and Stochastic Bounds -- Workload Characterization of the SPECjms2007 Benchmark -- Resource Sharing in Performance Models -- Exploiting Commodity Hard-Disk Geometry to Efficiently Preserve Data Consistency -- Wireless Networks -- An Efficient Counter-Based Broadcast Scheme for Mobile Ad Hoc Networks -- The Effect of Mobility on Local Service Discovery in the Ahoy Ad-Hoc Network System.

This book constitutes the refereed proceedings of the 4th European Performance Engineering Workshop, EPEW 2007, held in Berlin, Germany, September 27-28, 2007. The 20 revised full papers presented were carefully reviewed and selected from 53 submissions. The papers are organized in topical sections on Markov Chains, Process Algebra, Wireless Networks, Queueing Theory and Applications of Queueing, Benchmarking and Bounding, Grid and Peer-to-Peer Systems.