About DFS I found this article (that I hope to read completely when I will have some time) that, after a quick read, seems to be very interesting.
It explains DFS Theory and Windows 2012 enhancement on that field, here it is:
http://blogs.technet.com/b/filecab/archive/2012/11/12/dfs-replication-improvements-in-windows-server-2012.aspx
