New Features In .Net FrameWork 4.0

What's The New In Microsoft Dot net Frame Work 4.0

In .Net Frame Work 4.0 Mainly Enhancements Occured In WWF, WCF and WPF

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.