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Common Replication Scenarios
Figure 6-1
Single-Master Replication
The supplier server can replicate a read-write replica to several consumer servers.
The total number of consumer servers that a single supplier server can manage
depends on the speed of your networks and the total number of entries that are
modified on a daily basis. However, you can reasonably expect a supplier server to
maintain several consumer servers.
Multi-Master Replication
In a multi-master replication environment, master copies of the same information
can exist on multiple servers. This means that data can be updated simultaneously
in different locations. The changes that occur on each server are replicated to the
others. This means that each server plays both roles of supplier and consumer.
When the same data is modified on multiple servers, there is a conflict resolution
procedure to determine which change is kept. The Directory Server considers the
valid change to be the most recent one.
Chapter 6
Designing the Replication Process
113
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