What NEW features has WCF in .NET Framework 4 vs .NET Framework 3.5?

What NEW features has WCF in .NET Framework 4 vs .NET Framework 3.5? What Is new, what was fixed (in general - I do not want to get into bug fixed numb开发者_如何学Goers=)?

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Nicholas Allen has an "alternative" list of what's new features:

• Simplified configuration
• Standard endpoints
• IIS hosting without an SVC file
• Discovery
• Routing service (previously included with Dublin)
• REST caching and help page
• Workflow services
• Non-destructive queue receive
• Simple byte stream encoding
• ETW tracing

See: http://blogs.msdn.com/drnick/archive/2009/08/14/what-s-new-in-wcf-4-alternative-list.aspx

Those sum up quite nicely what's been improved.

Also Santosh Benjamin has a blog post with links to a series of blog posts by Christian Weyer which extensively covers the new things in WCF 4.

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I would start with these links:

• Day 3 - What’s New in WCF 4
• TechDays 2010 : What’s new in WCF 4
• A Developer's Introduction to Windows Communication Foundation 4

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MS.NET introduced many new features for C#.net 4.0,Asp.Net 4.0 and WCF. Please navigate the below links to read more about the features. New features of C#.NET 4.0 : http://www.dotnetspider.com/resources/43540-C-NET-new-features.aspx ASP.NET 4.0 Neaw Features: http://www.dotnetspider.com/resources/43538-New-features-ASP-NET.aspx