For corporate accounts, I want the various cloud services to use systems that have been around since forever and a day. I want to be able to use systems like Ke

For corporate accounts, I want the various cloud services to use systems that have been around since forever and a day. I want to be able to use systems like Kerberos to give Google Apps a service ticket so I can manage passwords on my server, with google only getting what user has successfully logged in. The cloud has set us backwards in single sign on, since everyone wants to be the gatekeeper.