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System and method of extending virtual address resolution for mapping networks

  • US 7,890,633 B2
  • Filed: 02/13/2003
  • Issued: 02/15/2011
  • Est. Priority Date: 02/13/2003
  • Status: Active Grant
First Claim
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1. A method of routing data over a network, said network comprising a physical network and a virtual network, said method comprising the steps of:

  • associating a range of virtual IP addresses within said virtual network with a single real IP address, said range of virtual IP addresses including consecutive virtual IP addresses, said single real IP address identifying a physical component in the network;

    storing a record of said range of virtual IP addresses and said association with the single real IP address in a network-accessible location; and

    routing data sent from an originating virtual IP address on said network, said routing step comprising;

    when said data is addressed to a destination address within said range of virtual IP addresses, resolving the destination address into said single real IP address using said association;

    encapsulating said data and said virtual IP destination address within a packet addressed to said single real IP address;

    sending said packet to the resolved single real IP address; and

    sending said data to a default destination address upon failing to resolve said destination address into the single real IP address.

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