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Publication details

Publication CODE Title
IEC 62439-3:2021 (2021-12) INDUSTRIAL COMMUNICATION NETWORKS - HIGH AVAILABILITY AUTOMATION NETWORKS - PART 3: PARALLEL REDUNDANCY PROTOCOL (PRP) AND HIGH-AVAILABILITY SEAMLESS REDUNDANCY (HSR)
 
Price Excl. VAT Total number of pages, tables and drawings
451.00 € 493.
Description
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.
Class  C990  (IEC PUBLICATIONS IEC PUBLICATIONS)
Available files
Not available under electronic format.
The publication in paper format can be ordered << here >>.
Status
Status IEC PUBLICATION
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Replaces  IEC 62439-3:2016
Replaces  IEC 62439-3:2016 RLV
Origin
Committee TC 65/SC 65C
DIGITAL COMMUNICATIONS
Responsible Ir DELENS Marc
Approval
BEC Approval 2021-12-15
ICS-Code (International Standards Classification) 25.040.40 , 35.100.05
NBN Status New
IEC publication date 2021-12-15
IEC stability date 2025-12-31
IEC file modification date 2021-12-15
IEC last modification date 2021-12-15