System capacity estimates are based on revising the registry protocol to reduce traffic and to off-load Whois and check traffic to a separate service. Attempts will be made to reduce Whois traffic by identifying abusive requestors and excluding them. It is unclear precisely what a complex transaction is. Projected Growth Rate . Fault Tolerance .
Availability is provided through use of standard duplication techniques.
System will provide an alternative location for SRS services. The alternate location will receive continuous updates, however, switchover apparently will take several hours. Physical security follows standard approaches. Particular attention has been paid to providing secure linkages between various parts of the system through the use of encryption and certification techniques. Summary of Relevant Experience .