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Network coding for content-centric network

  • US 9,497,282 B2
  • Filed: 08/27/2014
  • Issued: 11/15/2016
  • Est. Priority Date: 08/27/2014
  • Status: Active Grant
First Claim
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1. A computer-executable method for facilitating network coding in an information centric network, the method comprising:

  • sending, from a content consumer node, one or more interests for a plurality of chunks associated with a content object, wherein a respective interest indicates the corresponding chunk using a hierarchically structured variable length identifier which comprises contiguous name components ordered from a most general level to a most specific level,wherein the identifier includes a name component which indicates whether the corresponding interest is a retry interest;

    in response, receiving a number of network-coded data packets, wherein a respective data packet corresponds to an independent linear combination of all the chunks for the content object; and

    re-constructing the content object based on the received data packets, which involves;

    determining that at least one more data packet is needed for re-constructing a missing chunk; and

    sending a first retry interest which indicates the missing chunk.

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