SCADA Master
		SCADA Nodes ( This Nodes will vary based on Design)
		RTU/PLC/Field Devices

SCADA Master is the main server which connects the RTU/ field Devices (Sensors, IED etc) through WAN / LAN TCP/IP Connection, collect the data and store in it. All the SCADA nodes are connected to the SCADA Master through TCP/IP connection and collect the required data and display in a GUI format.