Next versions of Windows Communication Foundation (WCF) and Windows Workflow Foundation (WF) will provide better support for Web 2.0 technologies like REST, POX, ATOM. · Performance and Scalability of WCF and WF are expected to increase by minimum 10X. · New workflow models. · Seamless integration between WCF and WF including a new Visual Designer. · Parallel Programming framework using PLINQ, Task Parallel Library and Coordination Data Structures to better utilize power of multi-processor and multi-core machines. · Build declarative applications with WF, WCF and WPF using XAML. So, XAML is no more only for WPF and WF. · WCF enhancements : o RESTful enhancements § Simplifying the building of REST Singleton & Collection Services, ATOM Feed and Publishing Protocol Services, and HTTP Plain XML Services using WCF § WCF REST Starter Kit to be released on Codeplex to get early feedback o Messaging enhancements § Transports – UDP, MQ, Local in-process § Protocols – SOAP over UDP, WS-Discovery, WS-BusinessActivity, WS-I BP 1.2 § Duplex durable messaging o Correlation enhancements § Content and context driven, One-way support o Declarative Workflow Services § Seamless integration between WF and WCF and unified XAML model § Build entire application in XAML, from presentation to data to services to workflow · WF enhancements : o Significant improvements in performance and scalability § Ten-fold improvement in performance o New workflow flow-control models and pre-built activities § Flowcharts, rules § Expanded built-in activities – PowerShell, database, messaging, etc. o Enhancements in workflow modeling § Persistence control, transaction flow, compensation support, data binding and scoping § Rules composable and seamlessly integrated with workflow engine o Updated visual designer § Easier to use by end-users § Easier to rehost by ISVs § Ability to debug XAML · First CTP to be released during PDC in Oct 2008. · Information on this page will be updated as and when it is available.