Constitutes the refereed proceedings of the ACM/IFIP/USENIX 7th International Middleware Conference 2006, that was held in Melbourne, Australia, in November/December 2006. This book presents 21 revised full papers that are organized in topical sections on performance, composition, management, publish/subscribe technology, databases, and more.

Performance I.- Caching Dynamic Web Content: Designing and Analysing an Aspect-Oriented Solution.- Non-intrusive Performance Management for Computer Services.- Composition.- True and Transparent Distributed Composition of Aspect-Components.- Policy-Driven Middleware for Self-adaptation of Web Services Compositions.- Management I.- Living with Nondeterminism in Replicated Middleware Applications.- Trading Off Resources Between Overlapping Overlays.- Publish/Subscribe Technology.- Efficient Probabilistic Subsumption Checking for Content-Based Publish/Subscribe Systems.- Dynamic Load Balancing in Distributed Content-Based Publish/Subscribe.- Decentralized Message Ordering for Publish/Subscribe Systems.- Databases.- DBFarm: A Scalable Cluster for Multiple Databases.- Queryll: Java Database Queries Through Bytecode Rewriting.- Mobile and Ubiquitous Computing.- Contory: A Middleware for the Provisioning of Context Information on Smart Phones.- Efficient Semantic Service Discovery in Pervasive Computing Environments.- Security.- A Middleware System for Protecting Against Application Level Denial of Service Attacks.- Generalized Access Control of Synchronous Communication.- Datamining Techniques.- FMware: Middleware for Efficient Filtering and Matching of XML Messages with Local Data.- Synergy: Sharing-Aware Component Composition for Distributed Stream Processing Systems.- Performance II.- Enforcing Performance Isolation Across Virtual Machines in Xen.- Low-Overhead Message Tracking for Distributed Messaging.- Management II.- Utility-Driven Proactive Management of Availability in Enterprise-Scale Information Flows.- Model Driven Provisioning: Bridging the Gap Between Declarative Object Models and Procedural Provisioning Tools.

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