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IEC is applicable to high-availability automation networks based on the Ethernet technology. This part of IEC specifies two redundancy protocols designed to provide seamless recovery in case of single failure of an inter-bridge link or bridge in the network, which are based on the same scheme: parallel transmission of duplicated information.
This third edition cancels and replaces the second edition published in This edition constitutes a technical revision.
This edition includes the following significant technical changes with respect to the previous edition: - technical corrections and extension of specifications; - consideration of IEC clock synchronization with end-to-end delay measurement alongside the existing peer-to-peer delay measurement in PRP. Look inside Relevant for smart manufacturing industrie 4. The following test report forms are related:.
Parallel Redundancy Protocol
Digital data communication for measurement and control — High availability automation networks. It specifies:. It cancels and replaces IEC published in and constitutes a technical revision. It includes the following significant technical changes with respect to IEC :. High availability automation networks - Part 1: General concepts and calculation methods. IEC CD IEC
Archive of Specifications and Standards
Parallel Redundancy Protocol PRP is a network protocol standard for Ethernet that provides seamless failover against failure of any network component. This redundancy is invisible to the application. PRP nodes have two ports and are attached to two separated networks of similar topology. PRP can be implemented entirely in software, i. Nodes with single attachment can be attached to one network only.