Duplicate and Circulating Frames Discard Methods for PRP and HSR (IEC62439-3)
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Fecha
2013-11Autor
Lázaro Arrotegui, Jesús
Astarloa Cuéllar, Armando Fermín
Zuloaga Izaguirre, Aitzol
Moreira Ciruelos, Naiara
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IECON 2013 - 39th Annual Conference of the IEEE Industrial Electronics Society : 4451-4456 (2013)
Resumen
Parallel Redundancy Protocol (PRP) and High-availability Seamless Redundancy (HSR), defined in the IEC62439-3 about high availability automation networks and proposed as reference network topologies for substation communication networks by IEC61850, assure the upkeep of the communication when an error in a network occurs. Those methods consist in sending information duplicated through different and independent paths; so that nodes must be capable to eliminate the duplicated information circulating in the network. This paper analyzes ways to do the discard of those frames, which is crucial for a good implementation of the standard.