What is OFCS in an ORMIT™-OpenJava Oracle Forms migration? The Oracle Forms Compatibility Service, and is it required?

OFCS is the engine, developed by RENAPS, that runs your migrated forms the way Oracle Forms does: trigger order, validation, navigation, block and item interactions, commit and rollback. It is not an Oracle product. It is required, because it keeps the converted business logic behaving exactly as before.

Understanding the ORMIT-OpenJava Oracle Forms Compatibility Service