Overview of Architectural and Functional differences in 11i and R12

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The article is to just give the overview of architectural and functional differences in 11i and R12. Article is intended for Oracle ERP teams, considering & participating in an upgrade from 11i to R12. It provides some insight into the architecture and the functional differences that need to be considered when planning and scoping.

Oracle Application R12 – Functionality


Multi-Org Access Control (MOAC)
MOAC provides role based access to Operating Units, and allows client to perform multiple tasks across operating units without changing responsibilities.


In 11i, when users had to enter or process data for multiple operating units, they had to login to different responsibilities because each responsibility could only access one operating unit. So if there were a centralized payment processing center where users processed payments for multiple organizations, they would have to keep logging in and out of different responsibilities to process payments for a different organization or operating unit.


In Release 12, Multi-Org Access Control enables companies that have implemented a Shared Services operating model to efficiently process business transactions by allowing users to access, process, and report on data for an unlimited number of operating units within a single application’s responsibility.
This increases the productivity of Shared Service Centers as users no longer have to switch application responsibilities when processing transactions for multiple operating units. Data security and access privileges are still maintained using security profiles that will now support multiple operating units.
Enhanced Multi-Org reporting is not the same as cross-organization reports that allow you to run a report at the ledger level to obtain results for all operating units assigned to that ledger or obtain results for all the operating units for a GRE/LE.


Multi-Org Reporting allows a user to select any operating unit from a list of accessible operating units. This allows users to report on data for multiple operating units from a single application responsibility. The benefit of this includes
a) reduced reporting time and
b) improved efficiency