Physical Infrastructure for CPwE Architecture Summary

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White Paper Physical Infrastructure for a Resilient Converged Plantwide Ethernet Architecture Successful deployment of CPwE logical architecture depends on a robust physical infrastructure network design that addresses environmental, performance, reliability, and security challenges with best practices from Operational Technology (OT) and Information Technology (IT). March 2017

2 Physical Infrastructure for a Resilient Converged Plantwide Ethernet Architecture CPAT26 03/2017 ©2017 Panduit Corp. All Rights Reserved. Introduction Industrial Ethernet networking is advancing technology applications throughout the plant. These applications are rapidly being deployed from the plant floor to the enterprise. The integration of IT and Industrial Automation and Control System (IACS) Operational Technology (OT) introduces the need for increased security, ease of use, rapid deployment, and network management support. Panduit is collaborating with industry leaders, including Rockwell Automation and Cisco, to provide industry-leading solutions, architectures, and services that help companies reduce risk, enhance operational performance, improve reliability, and successfully implement EtherNet/IP™ solutions and architectures through: ● Optimized physical network infrastructure solutions from Panduit ® that have been developed to align with the Cisco and Rockwell Automation “Deploying a Resilient Converged Plantwide Ethernet Architecture” Cisco Validated Design (CVD) ● Design guidance for aligning logical and physical industrial network architectures that utilize industry best practices. Strategic design guidance facilitates effective collaboration between OT and IT ● Integrated solutions, tools, and services to simplify design and implementation for better equipment optimization and broader risk management Deploying the Physical Infrastructure to Build a Resilient Network Converged Plantwide Ethernet Architecture (CPwE), a collection of tested and validated architectures, is the underlying architecture that provides standard network services for control and information disciplines, devices, and equipment found in modern IACS applications. The CPwE architecture (Figure 1) consists of documented architectures, best practices, guidance and configuration settings to help manufacturers with design and deployment of a scalable, reliable, secure and future- ready plant-wide industrial network infrastructure. Successful deployment of CPwE logical architecture depends on a robust physical infrastructure network design that addresses environmental, performance, and physical security challenges with best practices from Operational Technology (OT) and Information Technology (IT). Physical Infrastructure Design for Resilient Networks Increasing the resilience of an industrial Ethernet network requires identifying the challenges and risks for underperforming networks and network disruptions, and defining appropriate countermeasures to achieve high resiliency. Logical to Physical Mapping The challenge for network designers is to implement a scalable, reliable, secure, and future-ready network infrastructure across the varied, harsh environments of industrial plants. The networking assets must be Figure 1. M apping CPwE Logical to Physical.

3 Physical Infrastructure for a Resilient Converged Plantwide Ethernet Architecture CPAT26 03/2017 ©2017 Panduit Corp. All Rights Reserved. placed across the plant floor with consideration of challenging environmental factors such as long distances, temperature extremes, humidity, shock/vibration, chemical/climatic conditions, water/dust ingress, and electromagnetic threats. These challenges present threats that can potentially degrade network performance, impact network reliability, and/or shorten asset longevity. Figure 1 shows the CPwE logical framework mapped to a hypothetical plant footprint. Resilient Design Considerations: ● Resilient network topologies ● Network channel layout and distribution ● Structured cabling ● Physical network zone architecture ● Network channel endurance as assessed using TIA-1005 M.I.C.E. criteria In harsh environments, industrial Ethernet networked communications systems must be extremely durable to avoid physical deterioration in cabling infrastructure. Physical deterioration results in defective network performance and leads to loss of data transfer, costly downtime, or catastrophic failure. Therefore, strategic selection of cable jackets and connectors for industrial environments is essential. Physical Infrastructure Network Building Block Systems Industrial physical infrastructure network building block systems comprised of integrated active gear can be deployed at most levels of the CPwE logical architecture. An industrial network building block system simplifies deployment of the network infrastructure required at each Level and Zone of the CPwE. The building block system, (Zoning) provides resiliency by containing the specified switching, routing, computing, and/or storage elements required for a given Zone in an enclosure, cabinet, or rack that is complete with cabling, cable management, identification, grounding, and power. These building block systems can be implemented in three ways: ● Integrated – Fully integrated, assembled and thermally tested building block solution including CPwE equipment and components delivered onsite for rapid deployment ● Pre-configured – Pre-assembled building block solution incorporating CPwE equipment and components to be assembled onsite ● Switch Ready – Pre-assembled building block solution including power supplies, fusing equipment, cabling etc., delivered onsite and ready for CPwE equipment and component implementation The network building blocks are comprised of the following: ● Physical Network Zone System – A Physical Network Zone System within the CPwE Cell/Area Zone provides environmental protection for the industrial Ethernet switch (IES) and serves as a consolidation point for multiple network connections ● Industrial Data Center (IDC) – The CPwE Level 3 Site Operations, or Industrial Data Center (IDC), include the proper IT assets housed in an appropriate cabinet with patching, power, grounding/bonding, identification and physical security considerations already addressed a plug and play solution ● Industrial Distribution Frame (IDF) – For consolidation points of commercial, off-the-shelf rack mount switches, an IDF solution may be used to house rack mounted IES to route traffic between the Cell/Area Zone IES and the Level 3 Site Operations IDC

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