Apache Cloud platform vs Citrix Cloudstack
The biggest difference between CCP (Citrix CloudPlatform) and ACS (Apache CloudStack) is going to be direct support from Citrix. That being said, migrating from one to the other may work, but likely won't be trivial. I think it was more feasible in the 3.0.x line, but will likely get more difficult as time goes on and the two products diverge in subtle ways.
The best way to approach it would be with a good backup of your current DB, then do a fresh install of ACS using a new DB. Then audit the DBs looking for any changes. This will allow you to tweak your backup before you "restore" it to the new DB.
Obviously, Citrix would prefer that you stick with their version, but depending on the scale of your environment, it may be feasible to switch. However, proceed at your own risk.
--Mike
