Silverlight - breaking web project into the 2 separate concerns

This is an awesome read.  We should do this sometime and break the web site into two parts:

 

1.       Service

2.       Web host / navigation

 

http://blogs.msdn.com/brada/archive/2009/07/28/business-apps-example-for-silverlight-3-rtm-and-net-ria-services-july-update-part-11-the-new-class-library-project.aspx