Parallel Redundancy Protocol within a Converged Plantwide Ethernet Architecture White Paper

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Updated:: April 24, 2019

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Parallel Redundancy Protocol within a Converged Plantwide Ethernet Architecture White Paper

Notes

Parallel Redundancy Protocol (PRP) is a multiple-fault tolerant (depending on topology) standard defined in IEC 62439-3 and is adopted in the ODVA, Inc. EtherNet/IP specification. PRP technology creates seamless network redundancy by allowing PRP enabled IACS devices to send duplicate Ethernet frames over two independent Local Area Networks (LANs). This white paper is an overview of use cases for designing and deploying PRP technology with redundant network infrastructure across plant-wide IACS applications.

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