Which network application protocol supports communications within an Operational Technology (OT) network?

Modbus is a widely used network application protocol specifically designed for communication in Operational Technology (OT) environments, particularly in industrial settings. It facilitates the interaction between devices such as programmable logic controllers (PLCs), sensors, and actuators, enabling them to communicate over serial lines or TCP/IP networks.

The strength of Modbus lies in its simplicity and ease of implementation, making it a common choice for industrial automation systems. It operates on a master/slave architecture, where a master device controls communication with one or more slave devices, allowing for efficient data exchange. This protocol supports monitoring and control tasks in various industrial applications, including manufacturing systems and process control.

Additionally, Modbus is widely recognized for its interoperability across different manufacturers' equipment, aiding in the integration of varied devices in industrial environments. Its ability to facilitate straightforward and reliable communications makes it particularly well-suited for OT networks, where real-time data exchange is crucial for operational efficiency and safety.