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Media Redundancy Protocol

Figure 1: MRP ring in Ring-Closed status
Figure 2: MRP ring in Ring-Open status

Media Redundancy Protocol (MRP) is a data network protocol standardized by the International Electrotechnical Commission as IEC 62439-2. It allows rings of Ethernet switches to overcome any single failure with recovery time much faster than achievable with Spanning Tree Protocol.[1] It is suitable to most industrial Ethernet applications.

  1. ^ A. Giorgetti; et al. (February 3, 2013). "Performance Analysis of Media Redundancy Protocol (MRP)". IEEE Transactions on Industrial Informatics. 9. IEEE Computer Society: 218–227. doi:10.1109/TII.2012.2186584. S2CID 5696119.