Sun Java Enterprise System Deployment Planning Guide

Single Master Replication

The following figure shows a single master replication strategy that illustrates basic replication concepts.

Figure 5–7 Single Master Replication Example

Diagram showing the flow of data for a single master
replication strategy.

In single master replication, one instance of Directory Server manages the master directory database, logging all changes. The master database is replicated to any number of consumer databases. The consumer instances of Directory Server are optimized for read and search operations. Any write operation received by a consumer is referred back to the master. The master periodically updates the consumer databases.

Advantages of single master replication include: