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IP network access for portable devices

  • US 6,591,306 B1
  • Filed: 07/21/1999
  • Issued: 07/08/2003
  • Est. Priority Date: 04/01/1999
  • Status: Expired due to Term
First Claim
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1. An access routing method for an access router of a hosting network to provide IP service to a guest station, comprising:

  • intercepting from said guest station an original outbound IP packet having an original source IP address and a destination IP address;

    associating said original source IP address with a care-of address;

    providing a modified outbound IP packet based on said original outbound IP packet, with said care-of address instead of said original source IP address; and

    sending said modified outbound IP packet through an IP tunnel to a station outside said hosting network even when said destination address indicates an address of said hosting network.

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