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System and Method for Resolving MTA Domain Names

  • US 20090106213A1
  • Filed: 10/17/2007
  • Published: 04/23/2009
  • Est. Priority Date: 10/17/2007
  • Status: Active Grant
First Claim
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1. A look-up request fulfillment system comprising:

  • a MAC-to-IP database;

    a DHCP interface, wherein the DHCP interface comprises instructions for;

    receiving lease information from a DHCP server for a network end-point (NEP), wherein the lease information comprises a MAC address, an IP address, and lease expiration information;

    creating a lease record comprising the lease information;

    storing the lease record in the MAC-to-IP database; and

    deleting the lease record from the MAC-to-IP database upon lease expiration; and

    a DNS to MAC-to-IP query interface comprising instructions for;

    receiving a DNS lookup request from a network device;

    converting the DNS lookup request into a MAC-to-IP database query;

    obtaining data from the MAC-to-IP database to fulfill the DNS lookup request;

    creating a DNS lookup response, wherein the DNS lookup response is presented in the form of a DNS message; and

    sending the DNS lookup response to the network device.

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