Research Article
Software Architecture Solution Based on SDN for an Industrial IoT Scenario
Table 2
Comparison of the most common technologies and communication protocols in an IIoT scenario.
| | Technology | Communication Protocol to | XML or JSON format | Parser in the southbound for SDN and IoTDM communication |
| | IoT devices | HTTP, CoAP, or MQTT | Yes, XML, JSON | No |
| | RFID | EPCglobal Class-1 Gen-2 (among RFID tags and reader)
HTTP (between RFID reader and server) | Yes, XML | No |
| | BLE | BLE | No, if OPC-UA is not used | Yes, if OPC-UA is not used |
| | Modbus | Modbus RTU, Modbus ASCII,
Modbus TCP | No | Yes |
| | CAN Bus | CAN Bus | No | Yes |
| | EtherCAT | CAN open-Ethernet | No | Yes |
| | Profibus | CAN open-Ethernet | No | Yes |
| | Profinet | TCP/IP | No | Yes |
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