Fault Tolerance . Telnic s system is based on redundant SRS servers at a single location. Geographical distribution of the SRS function would be desirable if the service becomes modestly popular. Eleven other locations provide distributed support, presumably as name servers. Basic physical security is in place at all locations.
Remote locations are third party sites, built for system hosting.
Transmission of information between sites is via VPN links. Off the shelf firewall technology protects the sites. Token based access is used for critical aspects of the system. Overall, the security plan seems to be quite adequate. Summary of Relevant Experience .