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IEC 62439-3:2021

Industrial communication networks - High availability automation networks - Part 3: Parallel Redundancy Protocol (PRP) and High-availability Seamless Redundancy (HSR)

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Kehtiv alates 15.12.2021
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Staatus
Kuupäev
Tüüp
Nimetus
21.04.2023
Parandus
15.12.2021
Põhitekst
31.03.2016
Põhitekst
IEC 62439-3:2021 specifies two related redundancy protocols that, in the event of failure of any network element, provide seamless switchover with zero recovery time:
• PRP (Parallel Redundancy Protocol), which allows attaching nodes to two separate networks while allowing attachment of nodes to one network only; and
• HSR (High-availability Seamless Redundancy), which allows threading two-port nodes in a ring or multi-port nodes in a meshed network.
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