The expectation is that the registry will take in about 500,000 names in the first quarter of operation. Fault Tolerance . Redundancy will be provided by five geographically separated sites. Three will provide registry and name service, while two additional sites will provide name service. WAN interconnection will be physically redundant.
Plan calls for using physically distributed servers.
Details of maintaining consistency between servers is not provided. Similarly the details of redundant operation, failure detection and recovery are not covered in detail. Security is based primarily on physical security and password restricted access to the system. The details are insufficiently specified to offer strong judgments on the likelihood of their adequacy. The proposal does not discuss logging, auditing, and ongoing security reviews of the system.