http://developers.de/blogs/damir_dobric/archive/2010/01/14/more-wcf-stack-in-silverlight-4-0.aspxMore WCF services .NET RIA Services  and ADO.NET Data Services will be rebranded as WCF Data Services and WCF RIA Services. That seems to be an interesting marketing move, but in fact it express that WCF was and is major base technology for communicationenCommunityServer 2008 SP1 (Build: 30619.63)