As in IT networks, it is also necessary to ensure seamless, safe and flexible operation of all services in ICS networks in critical infrastructure. The growing number of connected devices in ICS environments, which need to communication to various systems, has to be properly supported by ICT network. Fabric-based networks are a great choice as they provide functionalities that are becoming indispensable in ICS environments. In terms of security, flexibility and management, fabric networks are becoming the standard in critical infrastructure as well.