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http://searchservervirtualization.techtarget.com/tip/ISCSI-vs-NFS-for-virtualization-shared-storage
http://www.enterpriseefficiency.com/author.asp?section_id=2219&doc_id=248399
http://blog.nigelpoulton.com/smb-3-0-best-feature-of-windows-server-2012/
http://technet.microsoft.com/en-us/library/hh831653