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Apparatus and method for caching of compressed content in a content delivery network

  • US 8,903,937 B2
  • Filed: 12/05/2012
  • Issued: 12/02/2014
  • Est. Priority Date: 07/11/2002
  • Status: Expired due to Term
First Claim
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1. A content delivery method operative at a server to which a client machine has been directed by a content delivery network (CDN) request routing mechanism, the server having a cache, wherein the server is managed by a service provider and shared by a set of participating content providers that provide content to be delivered over the CDN, the content delivery method comprising:

  • upon receipt of a request for given content from the client machine that cannot be serviced at the server, fetching the given content from an origin server;

    determining whether the given content should be stored in the cache in an uncompressed or compressed form by evaluating a function trading off anticipated storage time in the cache versus processing overhead required to perform the compression;

    selectively storing the given content either uncompressed or compressed based on the determination, wherein the determination overrides a metadata tag that would otherwise dictate storage of the content in compressed form.

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