
137network direCtory serviCes
e designer should also specify the replication scheme among these sites. erefore,
replication often occurs within sites and between sites to keep domain and forest data
updated. In a replication scheme, the designer needs to address questions such as what
to replicate, when to replicate, and how to replicate.
For example, the network media linking the sites can often have a bottleneck dur-
ing replication. In such a case, one may consider to schedule replication during o-
peak hours. Computers served as domain controllers should also be powerful enough
to handle the operation and replication of Active Directory d ...