Great things coming to Windows Workflow 4.0!!!

What’s new in .NET Framework 4.0


·         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




About JohnHowell

I am a professional software developer with over 20 years of experience. I currently specialize in Microsoft technologies such as VS, TFS, C#, VB.Net, WCF, WPF, WW, etc.
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