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Frame concatenation with drop precedence assignment

  • US 7,697,532 B2
  • Filed: 02/08/2007
  • Issued: 04/13/2010
  • Est. Priority Date: 02/08/2007
  • Status: Active Grant
First Claim
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1. A method for communication, comprising:

  • encapsulating multiple data packets, which carry data and have respective drop precedence (DP) values selected from a range of possible DP values, to produce a concatenated frame of a transport protocol;

    assigning a composite drop precedence (CDP) value from the range to the concatenated frame using a pseudo-random assignment function that depends on a distribution of the DP values of the data packets in the concatenated frame, and is defined such that a likelihood of assigning a certain CDP value from the range is proportional to a relative amount of the data in the concatenated frame, which is carried by the data packets whose DP value equals the certain CDP value; and

    transporting the concatenated frame through a communication network using the transport protocol, in accordance with the pseudo-randomly assigned CDP value.

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