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

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.

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.

– Blender Apr 17 '10 at 8:07 I don't mean anything - this is Nicholas Allen's list of features :-) Check out Aaron Skonnard's article on MSDN (Andrew provided a link) - towards the end, there's a section on "ByteStreamMessageEncodingBindingElement" - that's probably what Nicholas Allen referred to – marc_s Apr 17 '10 at 8:33.

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