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Enhanced policy capabilities for mobile data services

  • US 8,185,628 B2
  • Filed: 05/07/2008
  • Issued: 05/22/2012
  • Est. Priority Date: 03/07/2008
  • Status: Active Grant
First Claim
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1. A method for an access network to make a policy decision based on a domain name query comprising:

  • detecting the domain name query for a domain name sent by a mobile device to a domain name server through an access gateway, the detecting of the domain name query being performed by a policy enforcement engine in the access gateway;

    sending a copy of the domain name copy to a policy server;

    making an incomplete policy decision based on the domain name;

    sending the incomplete policy decision from the policy server to the policy enforcement engine;

    detecting, by the policy enforcement engine, a domain name response sent from the domain name server to the mobile device through the access gateway, the domain name response including an address for a service provider associated with the domain name that is queried;

    completing the policy decision by using the address for the service provider to add service provider address information to the incomplete policy decision; and

    applying the policy decision to a service data flow between the mobile device and the service provider.

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