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INFORMATION SYSTEM, CONTROL APPARATUS, METHOD OF PROVIDING VIRTUAL NETWORK, AND PROGRAM

  • US 20130282867A1
  • Filed: 12/27/2011
  • Published: 10/24/2013
  • Est. Priority Date: 12/28/2010
  • Status: Active Grant
First Claim
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1. An information system comprising:

  • a plurality of physical nodes each of which processes a packet received from one of one or more external nodes according to a packet handling operation that associates a matching rule for identifying a flow and processing content to be applied to a packet that matches the matching rule; and

    a control apparatus which sets the packet handling operation in each of the plurality of physical nodes, thereby causing the plurality of physical nodes to operate as virtual nodes on a virtual network that may be used by the one or more external nodes;

    whereinthe control apparatus comprises;

    a first storage unit which defines a correspondence relationship between each of the plurality of physical nodes and one of one or more virtual networks; and

    a second storage unit which defines a correspondence relationship between each of the one or more external nodes and a virtual node on one of the one or more virtual networks;

    the control apparatus determining the virtual network(s) and the virtual node(s) to which the one or more external nodes is (are) to be connected, based on information on the physical node(s) to which the external node(s) is connected and information on the external node(s)

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