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Dial-out with dynamic IP address assignment

  • US 6,778,528 B1
  • Filed: 05/17/2000
  • Issued: 08/17/2004
  • Est. Priority Date: 05/17/2000
  • Status: Expired due to Term
First Claim
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1. A network access server, comprising:

  • a packet network interface, for coupling to and communication of data via a packet switched data network;

    a telephone network interface in communication with the packet network interface, for connection to and communication of the data through a switched telephone network;

    a programmable controller coupled to the network interfaces for controlling data communications through the network interfaces;

    a telephone network interface in communication with the packet network interface, for a memory coupled to the programmable controller for storing program code executable by the programmable controller; and

    executable code stored in the memory, wherein execution of the code by the programmable controller causes the network access server to;

    receive a name translation query, via the packet network interface, for a name associated with a destination computer system accessible from the network access server via the switched telephone network;

    establish a dial-out link from the telephone network interface through the switched telephone network to the destination computer system associated with the name and initiate data communication via the dial-out link with the destination computer system;

    temporarily assign a packet network address to the destination computer system from among a pool of addresses available to the network access server; and

    send a response to the query via the packet network interface, the response containing the temporarily assigned packet address as a translation of the name.

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