IEC 62439-2:2021

December 2021

International standard Current

Industrial communication networks - High availability automation networks - Part 2: Media Redundancy Protocol (MRP)

IEC 62439-2:2021 is applicable to high-availability automation networks based on the ISO/IEC/IEEE 8802-3 (IEEE Std 802.3) (Ethernet) technology. The IEC 62439-2:2021 specifies a recovery protocol based on a ring topology, designed to react deterministically on a single failure of an inter-switch link or switch in the network, under the control of a dedicated media redundancy manager node. The contents of the corrigendum of May 2023 have been included in this copy.

Main informations

Collections

International IEC standards

Publication date

December 2021

Number of pages

355 p.

Reference

IEC 62439-2:2021

ICS Codes

25.040.40 Industrial process measurement and control

35.100.05 Multilayer applications

Print number

Sumary

Industrial communication networks - High availability automation networks - Part 2: Media Redundancy Protocol (MRP)

IEC 62439-2:2021 is applicable to high-availability automation networks based on the ISO/IEC/IEEE 8802-3 (IEEE Std 802.3) (Ethernet) technology.
The IEC 62439-2:2021 specifies a recovery protocol based on a ring topology, designed to react deterministically on a single failure of an inter-switch link or switch in the network, under the control of a dedicated media redundancy manager node.
The contents of the corrigendum of May 2023 have been included in this copy.

Replaced standards (1)

IEC 62439-2:2016

March 2016

International standard Cancelled

Industrial communication networks - High availability automation networks - Part 2: Media Redundancy Protocol (MRP)

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