Enabling a service provider to provide intranet services

  • US RE43,051 E1
  • Filed: 09/19/2007
  • Issued: 12/27/2011
  • Est. Priority Date: 03/15/2000
  • Status: Expired due to Term
First Claim
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1. In a system comprising a host computer containing a plurality of virtual servers which support a private network address space wherein the private network address spaces of two or more of the virtual servers overlap, a method for providing private network services using private addresses in a location remote from private network users, the method comprising:

  • storing a customer lookup table, the customer lookup table storing associations between physical interfaces and tunnel identifiers identifying tunnels for private networks and a plurality of customer forwarding tables;

    storing a plurality of customer forwarding tables, the customer forwarding tables associating network addresses with physical interfaces and tunnel identifiers;

    receiving, over a tunnel, a transmission on a physical interface, the transmission containing a tunnel identifier;

    determining the correct customer forwarding table from the customer lookup table using the physical interface and the tunnel identifier;

    determining via the customer forwarding table a physical interface and tunnel identifier associated with a network address of the transmission; and

    sending the transmission to the network address on the determined physical interface using the determined tunnel identifier.

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