20. The computer-readable medium of claim 19 wherein the configuration information for the configurable process control data access server comprises a configuration hierarchy including nodes associated with levels of the configuration hierarchy, and the modifying step comprises adding a new node to the configuration hierarchy.
19. The computer-readable medium of claim 17 further comprising computer-executable instructions facilitating performing the step of: modifying, by the configuration editor, the configuration information relating to the configurable process control data access server.