Current Best Practice for using AD to auth Linux (2013)

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http://serverfault.com – As far as I'm aware, there are 3 (common) ways to use Active Directory as the Authentication and Authorization for Linux hosts: LDAP Kerberos Samba/Winbind Is there a (current) consensus on which method is the best practice? I've never been entirely clear on the pros/cons of each method to start with, but every document/tutorial says a different way and not many of them are dated or explain why they are using a particular method. (HowTos)