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Virtual tunnel network router

  • US 9,397,856 B2
  • Filed: 11/21/2006
  • Issued: 07/19/2016
  • Est. Priority Date: 12/02/2005
  • Status: Active Grant
First Claim
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1. A host computer, comprising:

  • a virtualization software platform operating on the host computer;

    a virtual machine executed by the virtualization software platform, wherein the virtual machine comprises a network address that is on a subnet that is reserved as non-routable;

    a public network segment module operating on the host computer configured to facilitate communications with an external computer;

    a private network segment module operating on the host computer configured to communicate with the virtual machine, enable communications internal to the host computer, and prevent communications with the external computer; and

    a virtual routing module operating on the host computer that is executed as a virtual image by the virtualization software platform and is configured to;

    (a) communicate with the virtual machine via the private network segment module, wherein the virtual routing module is separate from the virtual machine;

    (b) direct data packets from the private network segment module to the public network segment module; and

    (c) execute a tunneling layer to merge the private network segment module of the host computer and an external private network segment module of the external computer to form a private virtual network segment between the virtual machine and the external computer,wherein the virtual router comprises a network address that is based on the network address of the virtual machine.

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