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Network operation system, network operation method and network operation program

  • US 9,210,069 B2
  • Filed: 08/19/2010
  • Issued: 12/08/2015
  • Est. Priority Date: 08/26/2009
  • Status: Active Grant
First Claim
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1. A network operation method, comprising:

  • when, in a set of sites each having a usable network operation unit, a new site is added or an existing site withdraws, executing designing for determining a combination of network operation units, each one of which is to be used in each said added or withdrawn site, by selecting a candidate network operation unit from provided candidates of a plurality of network operation units such that at least a site which transmits or receives data becomes reachable based on a connection relationship between each paired said network operation units added or withdrawn; and

    when a combination of said network operation units is determined in said designing, considering said network operation unit determined as a network operation unit to be newly used in each said site,wherein a combination of said network operation units, each one of which is to be used by each site, is determined by creating a minimum spanning tree based on a cost applied between each paired said network operation units which are connected with each other and calculating a combination of said network operation units which minimizes a maximum value of said cost in said minimum spanning tree, andwherein said combination of said network operation units is determined by further calculating a combination of said network operation units which maximizes a total number of connection relationships each of which is held between the network operation units.

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