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DNS PREFETCH

  • US 20100146415A1
  • Filed: 01/12/2010
  • Published: 06/10/2010
  • Est. Priority Date: 07/12/2007
  • Status: Abandoned Application
First Claim
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1. A method for prefetching domain name server (DNS) entries in a communications system, the method comprising:

  • receiving response data in response to a request for a content set, the content set comprising a plurality of content objects, each content object associated with a network location that is remote over the communications system;

    determining when the response data comprises a DNS prefetch response indicating prefetching of DNS information corresponding to the network location associated with a prefetch object, the prefetch object being one of the plurality of content objects;

    when the response data comprises the DNS prefetch response, establishing a prefetch channel configured to receive the DNS information over the communications system as indicated by the DNS prefetch response;

    intercepting a DNS lookup request associated with the prefetch object; and

    locally satisfying the DNS lookup request using the DNS information.

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