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Content distribution network supporting popularity-based caching

  • US 9,167,049 B2
  • Filed: 08/21/2012
  • Issued: 10/20/2015
  • Est. Priority Date: 02/02/2012
  • Status: Active Grant
First Claim
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1. A method comprising:

  • determining, by a computing device, popularity data for a content item stored in a first caching device in a first tier of a hierarchy of caching devices;

    determining, by the computing device, that the popularity data is beyond a threshold value;

    transmitting, by the computing device, an instruction to move the content item from the first caching device to a second caching device in a second tier of the hierarchy of caching devices after at least a portion of the content item has been transmitted from the first caching device to a user device, wherein the second tier is different from the first tier;

    updating, by the computing device, a content index to indicate that the content item has been moved to the second caching device; and

    transmitting, by the computing device, the content index to the user device before the content item has been fully transmitted to the user device.

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