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Method for reducing DNS resolution delay

  • US 8,463,915 B1
  • Filed: 09/17/2010
  • Issued: 06/11/2013
  • Est. Priority Date: 09/17/2010
  • Status: Active Grant
First Claim
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1. A method, comprising:

  • identifying, by a processor, a domain name associated with a node on a network;

    retrieving an expired IP address stored in memory accessible by the processor, the expired IP address being associated with the domain name and an expired time period;

    establishing a connection between the processor and the node of the network based on the expired IP address;

    while establishing the connection, transmitting a request to a domain name server for an updated IP address based on the domain name;

    comparing the updated IP address with the expired IP address to determine if the updated IP address is the same as the expired IP address; and

    if the updated IP address is the same as the expired IP address, establishing an HTTP session with the node of the network based on the expired IP address.

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