What are the differences with the packages 389-ds from Red Hat Enterprise Linux versus redhat-ds from Red Hat Directory Server?

Issue

• What are the 389-ds packages?
• The packages 389-ds and 389-ds-base are provided by RHEL, can I use their features in a supported way?
• Can I use the multi-master replication feature of the 389-ds-base services in a supported fashion on RHEL?
• Can I use the command line utilities to configure and use the 389-ds-base services in a supported fashion on...