The most common deployment for VMware Live Site Recovery is to have two sites with one vCenter Server instance per site.
The vCenter Server instances can belong to vCenter Single Sign-On domains that are either in Enhanced Linked Mode or are not in Enhanced Linked Mode.
![Site Recovery Manager in a two-site topology with one vCenter Server per Platform Services Controller](images/GUID-CC77E8E5-F593-4609-BF15-B1819226126A-high.png)