Are you planning on an upgrade? 
Should you follow a platform path? Should you follow an application upgrade path?
The Demantra installer provides two upgrade options. The minimal option is a
platform upgrade and the second option is a platform and application
upgrade.
MyOracleSupport (MOS) Doc ID 1609763.1 delivers high impact information from the Demantra Program Management Office (PMO).
Take a look, it will help you make informed decisions on your upgrade.