WF 4.0

After toying with Microsoft Virtual Labs ( on Workflow Foundation (WF) in .NET Framework 4.0, I must say I’m pretty impressed.

Coupled with Windows Server AppFabric (formally known as Dublin Server), it’s basically BizTalk Server without all the schemas and adapters coming out-of-the-box with BizTalk.  Otherwise, it’s as powerful and actually much easier to use.

The integration of WCF & WF, so half-ass in .NET 3.5 SP1, is quite well done.  You create a Workflow, drop a few Send / Receive activities around and that creates an implicit WCF endpoint with an implicit WCF contract.  Quite gorgeous!

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