The Parallel Redundancy Protocol for industrial IP networks

  title={The Parallel Redundancy Protocol for industrial IP networks},
  author={Markus Rentschler and Holger Heine},
  journal={2013 IEEE International Conference on Industrial Technology (ICIT)},
The “Parallel Redundancy Protocol” (PRP) according to IEC 62439-3 realizes active network redundancy by packet duplication over two independent networks that operate in parallel. It has been specifically designed for industrial networks to meet highest availability requirements. In case of a single network failure, seamless redundancy is provided for data communication between PRP nodes that are connected to both networks. However, PRP was designed as a layer 2 Ethernet protocol that is… CONTINUE READING


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