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Content delivery network with deep caching infrastructure

  • US 9,621,669 B2
  • Filed: 11/10/2014
  • Issued: 04/11/2017
  • Est. Priority Date: 01/28/2011
  • Status: Active Grant
First Claim
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1. A method for proactively loading resources on a local caching device associated with a community of local caching devices, wherein the community of local caching devices is communicatively coupled via an access network to at least one content delivery network (CDN) caching device, the method comprising:

  • in response to determining that a given resource meets certain popularity criteria and is not stored on the local caching device, determining whether the given resource is stored on at least one other local caching device in the community, and, if so, retrieving the given resource from the at least one other local caching device, wherein the at least one other local caching device has determined that the given resource meets certain popularity criteria and has retrieved the given resource from the at least one CDN caching device via the access network; and

    in response to determining that the given resource is not stored on at least one other local caching device in the community, retrieving the given resource from the at least one CDN caching device via the access network.

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