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HANDLING LONG-TAIL CONTENT IN A CONTENT DELIVERY NETWORK (CDN)

  • US 20100332595A1
  • Filed: 09/13/2010
  • Published: 12/30/2010
  • Est. Priority Date: 04/04/2008
  • Status: Active Grant
First Claim
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1. A method of content delivery in a content delivery network comprising at least a first tier of servers, the method comprising:

  • at a first server in the first tier of servers, obtaining a request from a client for a resource, wherein the resource is available as part of a content provider'"'"'s library;

    if the resource is not available at the first server or at a peer of the first server, determining if the resource is popular;

    if the resource is determined to be popular, then the first server obtaining the resource and the first server serving the resource to the client, otherwise,if the resource is determined not to be popular, directing the client to a second server in a second tier of servers distinct from the first tier of servers, wherein the second server comprises a first portion of the content provider'"'"'s library, the first portion comprising at least the resource, and wherein at least one other server in the second tier comprises a second portion of the content provider'"'"'s library, andthe second server serving the resource to the client.

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