The prevailing trend in Industrial Automation and Control System (IACS) networking is the convergence of technology, specifically IACS operational technology (OT) with information technology (IT). Converged Plantwide Ethernet (CPwE) helps to enable IACS network and security technology convergence, including OT-IT persona convergence, by using standard Ethernet, Internet Protocol (IP), network services, security services, and EtherNet/IP. A reliable and secure converged plant-wide IACS architecture helps to enable the Industrial Internet of Things (IIoT).

IIoT helps offer the promise of business benefits by using innovative technology such as mobility, collaboration, analytics and cloud-based services. The challenge for industrial operations is to develop a balanced security stance to take advantage of IIoT innovation while maintaining the integrity of industrial security best practices. Business practices, corporate standards, security policies and procedures, application requirements, industry security standards, regulatory compliance, risk management policies and overall tolerance to risk are all key factors in determining the appropriate security stance.

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https://www.cisco.com/c/en/us/td/docs/solutions/Verticals/CPwE/5-1/Cloud/DIG/CPwE_Cloud_Connect_CVD.html

https://on24static.akamaized.net/event/22/85/03/8/rt/1/documents/resourceList1589469281456/rockwellautomationcloudconnectivitytoaconvergedplantwideethernetarchitecture1589469278976.pdf