http://blogit.create.pt/blogs/raulribeiro/archive/2009/10/21/The-new-WSS-_2D00_-SharePoint-Foundatio...
http://blogit.create.pt/blogs/raulribeiro/archive/2009/10/21/The-new-WSS-_2D00_-SharePoint-Foundation-2010.aspx
简单地说 ,在这一波2010的产品风潮中,原先的SharePoint Service将退出舞台,取而代之的是所谓SharePoint Foundation
目前的产品命名有点乱,有些文档中还是声称 Windows SharePoint Service(14)。或者我们可以这样认为,SF就是对WSS的一个包装吧,目前仍然是看到有Windows SharePoint Service
关于SharePoint Foundation 2010
http://sharepoint2010.microsoft.com/product/related-technologies/Pages/SharePoint-Foundation-2010.aspx