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Proximity Routing For Session Based Applications Using Anycast

  • US 20090113057A1
  • Filed: 10/26/2007
  • Published: 04/30/2009
  • Est. Priority Date: 10/26/2007
  • Status: Active Grant
First Claim
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1. A method comprising:

  • automatically providing content to an information device from a first content distribution node of a plurality of content distribution nodes, said information device adapted to send a second request for said content from said first content distribution node utilizing a unicast Internet Protocol (IP) address of said first content distribution node, said information device provided said unicast IP address responsive to a first request comprising an anycast IP address and an automatic determination that said content is associated with a first long-lived session, said first content distribution node addressable by either said anycast IP address or said unicast IP address, said anycast IP address provided to said information device from a Domain Name System (DNS) server, if said first content distribution node fails, said information device adapted to automatically request a second long-lived from a second content distribution node via said anycast IP address.

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