The figure shows a line from the middle tier to the load balancer that is fronting the source Oracle Identity Management instance. The load balancer is configured with two virtual server names: oid.mydomain.com (as the LDAP virtual server name) and sso.mydomain.com (as the HTTP virtual server name).

The figure also shows a line from the middle tier to the Real Application Clusters database that is running the OracleAS Metadata Repository.