1.6. Overview of Site and Replication Topology

In Active Directory, the concept of a site is very closely related to the concept of a subnet. A subnet is an isolated area in a network that is blocked by a router that stops broadcast traffic. From a design standpoint, this creates separation (and therefore isolation), and places physical firewalls between locations. The caveat to this design is that you will not have to route between IP based subnets by using a router.

Furthermore, in Active Directory the term sites means a collection of individual computers in a particular subnet that are logically collected into one container. This means that by default, each container will be autonomous and not communicate with any other container. To make ...

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