Access gateway selection method, system and gateway selection execution node

Access gateway selection method, system and gateway selection execution node

  • CN 101,420,762 A
  • Filed: 10/23/2007
  • Published: 04/29/2009
  • Est. Priority Date: 10/23/2007
  • Status: Active Application
First Claim
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1. , a kind of system of selection of IAD of mobile grouping field is characterized in that, comprising:

  • After gateway selection execution node receives that request is set up in the carrying of user terminal transmission, when structure dns resolution request, ask corresponding operator domain name to be encapsulated in the dns resolution request described carrying foundation, send to dns server;

    Carry out the address resolution of IAD;

    Return the dns resolution result, comprise the address information of the IAD of described operator domain name correspondence among this dns resolution result;

    Described gateway selection execution node selects the IAD corresponding with described operator domain name to set up the pairing IAD of request as described carrying according to described address information.

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