Startup problems are not expected because the SLDs are numerical. Fault Tolerance . Equipment is co-located in Exodus managed sites. This approach make geographic separation straight forward. Onsite inventories of spares are maintained for repair.
Redundancy is based on clusters of servers fed by load balancers.
Registry data bases are replicated on a dynamic basis allowing immediate switch over to an operating data base. Registry data base will be mirrored at a remote location. The remote location will operate as a warm back up to the primary site. DNS servers are located world wide. The use of Exodus Communications offers strong physical security measures.