Oracle Fusion Middleware Upgrade and Migration Guide for Oracle Directory Server Enterprise Edition

Replication Recommendations

Directory Server 11g Release 1 (11.1.1) does not limit the number of masters in a multi-master topology. A fully-meshed, multi-master topology with no hubs or consumers is recommended in most cases.

Advantages of an all-master topology include the following:

There may be reasons that an all-master topology is not viable in a specific deployment. For example, fractional replication cannot be used in an all-master topology because fractional replication is only supported from masters to consumers.