Obtain a separate license for each Replication Server Options component.
ExpressConnect for Oracle, Replication Agent, and Enterprise Connect Data Access
ExpressConnect for Oracle, Replication Agent™, and Enterprise Connect™ Data Access are available as a product called Replication Server Options that are available separately from Replication Server. You must have Replication Server to obtain Replication Server Options.
Replication Server Data Assurance Option
Replication Server Data Assurance (DA) Option 15.7 is available as a separately licensed product for Replication Server and supports Replication Server versions 15.1 and later.