J2EE-compliant web container
Java Virtual Machine version 5 or newer
1GB of system memory (on top of other running applications)
OpenSSO Enterprise supports the use of the embedded OpenDS server in multi-master network structure. In multi-master network structure, each embedded configuration data store instance in the environment has its own replication server, and replication servers have direct communication with each other. The following figure illustrates a multi-master network structure
For more information about replication topologies, see the OpenDS Wiki home page.