Designing the forest structure

The Active Directory design starts with designing the forest structure. The Active Directory forest is the security boundary for the identity infrastructure. When you deploy the first domain controller in your infrastructure, it creates a forest as well. So, every Active Directory infrastructure has at least one forest.

There are two types of forest implementations:

• Single forest
• Multiple forest

Single forest

Single forest deployment is the default deployment mode. Most business models fit into the single forest model. Complexity and cost of implementation are low in this model. One of the main things you need to consider in this mode is replication. Domains are used to partition the directory...