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Methods and apparatus to transmit a request to server via domain system forwarding

  • US 8,499,034 B2
  • Filed: 07/21/2010
  • Issued: 07/30/2013
  • Est. Priority Date: 07/21/2010
  • Status: Active Grant
First Claim
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1. A method for domain name system forwarding, the method comprising:

  • selecting, in a gateway, a first domain name system server corresponding to a domain name included in a domain name request received from a client in communication with the gateway, the first domain name system server being selected based on a rule indicating that domain name requests associated with the domain name are to be forwarded to the first domain name system server, the first domain name system server corresponding to a first regional domain name system server;

    adding location information to the domain name request in the gateway, the location information to be used by the first domain name system server to select a second domain name system server associated with the domain name;

    sending, from the gateway, a lease renewal request for an Internet Protocol address to a dynamic host configuration protocol server; and

    in response to the gateway sending the lease renewal request for the Internet Protocol address to the dynamic host configuration protocol server, receiving, at the gateway, a new leased Internet Protocol address and a forwarding rule set including the rule from the dynamic host configuration protocol server, the forwarding rule set specifying rules for forwarding domain name requests to regional domain name system servers based on domain names associated with the domain name requests.

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