Windows Server® 2012 Unleashed

Choosing Between One Site or Many Sites

In some cases, multiple LAN segments might be consolidated into a single site, given that the appropriate bandwidth exists between the two segments. This might be the case for a corporate campus, with various buildings that are associated with LAN “islands” but that are all joined by high-speed backbones. However, there might also be reasons to break these segments into sites themselves. Before the decision is made to consolidate sites or separate into individual sites, all factors must be taken into account.

Single-site design is simpler to configure and administer, but also introduces an increase in intersegment traffic because all computers in all buildings must traverse the network for domain authentication, ...