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#180
Forest is what piqued my curiosity.
There's a nice flow chart here: Tree and Forest in Active Directory
A Tree
Trees are collections of one or more domains that allow global resource sharing. A tree may consist of a single domain or multiple domains in a contiguous namespace. A domain added to a tree becomes a child of the tree root domain. The domain to which a child domain is attached is called a parent domain. A child domain can also have its multiple child domains. Child domain uses the name then its parent domain name and gets a unique Domain Name System (DNS).I've seen references to trees and forests from 2005 and its origins may quite possibly go back even further. IDK.A Forest
A forest is a collection of multiple trees that share a common global catalog, directory schema, logical structure, and directory configuration. Forest has automatic two way transitive trust relationships. The very first domain created in the forest is called the forest root domain.
Forests allow organizations to group their divisions that use different naming schemes and may need to operate independently. But as an organization, they want to communicate with the entire organization via transitive trusts and share the same schema and configuration container.
IMHO:
Somewhere back when, when the developers / programmers were trying to figure this domain security out they probably needed a way to keep the terminology compact and someone came up with the idea that domains could be called trees and in a logical jump large groupings of trees could be called forests.
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