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Virtual machine system and method of network communication between virtual machines

  • US 20070140263A1
  • Filed: 12/07/2006
  • Published: 06/21/2007
  • Est. Priority Date: 12/07/2005
  • Status: Active Grant
First Claim
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1. A virtual machine system including a plurality of virtual machines constituted by a control program on a physical machine and virtual NIC (virtual network interface cards) for executing network communication between said plurality of virtual machines provided by said control program, said virtual machine system comprising:

  • means for setting VLAN ID to said virtual NIC from said control program;

    means for managing said VLAN ID set to said virtual NIC;

    means for managing VLAN ID set by OS on said virtual machine using said virtual NIC;

    means for confirming VLAN ID set to virtual NIC transmitting a packet when said virtual NIC receives said packet; and

    means for judging whether or not communication is possible between virtual NIC on the transmission side and virtual NIC on the reception side by using said VLAN ID set to said virtual NIC when said VLAN ID is set to said virtual NIC.

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