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This Document Has Been Superseded
A newer publication replaces it: BSI BS EN IEC 62439-5
Industrial communication networks. High availability automation networks -- Beacon redundancy protocol (BRP)
The IEC 62439 series is applicable to high-availability automation networks based on the ISO/IEC 8802-3 (IEEE 802.3) (Ethernet) technology.
This part of the IEC 62439 series specifies a redundancy protocol that is based on the duplication of the network, the redundancy protocol being executed within the end nodes, as opposed to a redundancy protocol built in the switches.
Fast error detection is provided by two beacon nodes, the switchover decision is taken in every node individually.
The cross-network connection capability enables single attached end nodes to be connected on either of the two networks.
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