A demo instance of the First Discovery Server using its own instances of the Flow Manager and Preferences Server is accessible at http://first-discovery.floeproject.org/demos/prefsServerIntegration/
Trying the Demo
#1: Using the First Discovery Server
#2: Retrieving a Saved First Discovery Preference Set from the Preferences Server
#3: Retrieving a Saved First Discovery Preference Set from the Flow Manager
Currently there is no permanent storage of data; it will persist while the containers are running, but will vanish when they or the host server is restarted. In practice, this shouldn't happen very frequently, but be aware.