Which company developed the Ethernet/IP protocol?

The Ethernet/IP protocol was developed by Rockwell Automation. This industrial protocol is an application layer protocol that utilizes Ethernet and Internet Protocol technologies to communicate in automation applications. The development of Ethernet/IP was part of Rockwell Automation's efforts to create a standardized communication method for manufacturing and industrial environments, allowing for seamless integration of various devices and systems.

Rockwell Automation is known for its focus on automation and control solutions, and by introducing Ethernet/IP, it provided a robust framework for data exchange between industrial devices, enabling real-time information flow and improved operational efficiency. This standardization facilitates interoperability among devices made by different manufacturers, which is essential for modern industrial systems.

Other companies listed may have their own proprietary protocols or communication standards but did not develop Ethernet/IP. This distinction emphasizes Rockwell Automation's crucial role in advancing industrial networking technology.