See Business Process Model Page 1 on page 2-2 for the business process diagram associated with this activity.Group: Generic Read Device ProcessingGroup: Pre-process RequestActor/Role: SGGDescription: SGG initiates pre-processing of the On-demand Read request that came from 3rd Party Application. It attempts to read the request message and determines the Device for which the read request is made, and the Head-End system that communicates with the device.