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Method and system for domain name resolution in a communications system

  • US 7,512,672 B2
  • Filed: 12/22/2004
  • Issued: 03/31/2009
  • Est. Priority Date: 03/19/2004
  • Status: Active Grant
First Claim
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1. A method for resolving a domain name resolution request in a communications system including a data processing system, and a network, comprising:

  • initializing a PPP (Point-To-Point Protocol) connection between the data processing system and the network for establishing a session;

    during said initialization intercepting an IPCP Internet Protocol Control Protocol message containing a DNS (Domain Name Service) server address by an interceptor program, the IPCP message communicated between the data processing system and the network;

    copying said DNS server address from said IPCP message, storing said copied DNS server address, and replacing said DNS server address in the IPCP message with an alternative address;

    resolving said domain name resolution request by intercepting said request by an alternate application;

    substantially simultaneously sending the request to each DNS server for which an address was stored; and

    receiving a resolved IP address by said data processing system.

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