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PRP - Seamless redundancy for Industrial Ethernet scheme

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PRP - Seamless redundancy for Industrial Ethernet scheme

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    1. Parallel Redundancy Protocol an IEC standard for a seamless redundancy method applicable to hard-real time Industrial Ethernet Prof. Dr. Hubert Kirrmann, ABB Corporate Research, Switzerland 2011 March 21

    3. Highly available automation networks

    4. PRP principles

    5. PRP Principle Network Architecture

    6. PRP characteristics

    7. PRP Node Operation

    8. Why a layer 2 redundancy ?

    9. Typical Industrial Ethernet stack

    10. Attachment of non-redundant nodes

    11. PRP cabling rules: keep the LANs separate

    12. How PRP discards duplicates

    13. Filtering: duplicate discard and duplicate accept

    14. Discarding duplicate frames with a sequence counter

    15. Distinguishing redundant from non-redundant frames

    16. PRP Why the redundancy trailer works with SANs

    17. Sequence number build-up

    18. Principle of duplicate detection

    19. Duplicate detection: wrap-around of the sequence number

    20. Duplicate Detection in function of skew

    21. Frame formats used in (all) Industrial Ethernets

    22. PRP frames: redundancy control after the payload

    23. Is appending a redundancy trailer in line with 802.3 ?

    24. Redundancy Control Trailer and Padding

    25. Why a size field is also useful

    26. PRP network management

    27. Network supervision and detection of lurking faults

    28. Network management

    29. PRP technology

    30. Maturity of technology

    31. PRP: Pros & Cons

    32. PRP vs. other standards

    33. State of standardization and other solutions

    34. Comparison with CRP and BRP redundancy schemes

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