Hub PCs
Each of the physical sites where work is assigned to device users has a Hub PC. This is simply a standard desktop workstation that has a copy of the Remote Sampler Hub desktop client installed on it.
In the installation folder for the hub application there is a file called Redirector.txt. This is an XML configuration file called that contains the path to a file (Config.ini) on the network drive that is shared by all other hub installations. The Config.ini file contains the connection string to the LabCache database where all remaining configuration is held.