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Data transmission method and apparatus

  • US 10,069,604 B2
  • Filed: 04/12/2016
  • Issued: 09/04/2018
  • Est. Priority Date: 10/23/2013
  • Status: Active Grant
First Claim
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1. A data transmission method, comprising:

  • detecting a fault occurs in transmission paths of a bus, wherein the transmission paths comprise N data transmission paths and M redundancy check paths, wherein the N data transmission paths are used to transmit a data unit, and the M redundancy check paths are used to perform data link layer check for transmission of the data unit, wherein N and M are both natural numbers greater than 0, and wherein the data unit is a data block with a specific data volume;

    when a quantity of faulty transmission paths is less than or equal to M;

    disabling a data link layer check function of the M redundancy check paths;

    enabling a transport layer check function for the data unit transmission; and

    selecting, after disabling the data link layer check function and enabling the transport layer check function, N transmission paths from the transmission paths that are not faulty to transmit the data unit; and

    reconfiguring the data volume of the data unit according to a quantity of the transmission paths that are not faulty and a target burst quantity, when the quantity of faulty transmission paths is greater than M such that the data volume of the data unit is an integer multiple of the quantity of the transmission paths that are not faulty, wherein the target burst quantity is a quantity of transmission times over the transmission paths of the bus for completing transmission of one data unit.

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