With conventional plant networks, network devices (i.e., routers, firewalls) must be installed and configured for each individual application, location, and facility. The software-based SDN technology enables flexible implementation of virtual networks for each individual application, linking network devices using the same physical network. This facilitates the integrated management, implementation, and reconfiguration of networks. Also, this helps to reduce the required number of network devices and the amount of wiring that needs to be performed, saving both operating and management costs. Furthermore, the visualization of network status leads to enhanced security. Problems can be easily identified, and network operators can remotely shut down specific segments of the plant network in the event of an emergency.
Yokogawa won this order because the customer highly valued its solid track record in delivering production control systems, wealth of production site knowledge, and experience in providing solutions that lead to enhanced productivity, safety, and product quality.
For this project, they chose to use a proven SDN network device solution, NEC Corporation’s UNIVERGE PF series of controllers and switches. While minimizing impact on plant operations is usually difficult when replacing IT infrastructure, Yokogawa was able to do this by leveraging its abundant experience and knowledge of production sites. At each of this customer’s plants, Yokogawa assessed their IT infrastructure, including existing networks, and based on this assessment then designed and deployed its SDN technology solution.
The company is also providing on a trial basis a security management service that monitors the status and health of the networks throughout these plants. While enabling timely preventive measures that help to maintain the health of the networks in these plants, this service also ensures that prompt actions can be taken in the event of an emergency.
In plants around the world, there is an increasing need to improve productivity, safety, and maintenance efficiency, and this is being achieved through the introduction of Industrial IoT (IIoT) technology. Networks help to create new value by connecting various types of devices, but it is essential to be able to flexibly change their configuration, quickly respond to surges in data volume, and ensure more secure operations. For the optimal implementation of IIoT technology, attention is now increasingly turning to the use of SDN technology in plant IT infrastructure. This also will help company IT departments manage the IT infrastructure at their plants in a more integrated manner.
Capitalizing on its production site know-how, Yokogawa will continue in its endeavors to introduce SDN and other cutting-edge technologies that will enable the realization of smarter plant IT infrastructure.
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