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Route designing method

  • US 20050154790A1
  • Filed: 06/16/2004
  • Published: 07/14/2005
  • Est. Priority Date: 01/13/2004
  • Status: Active Grant
First Claim
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1. A route designing method of designing a communication route between user sites in a network management device connecting to a relay node in a network that connects a plurality of user sites to each other through a plurality of relay nodes and links, the method comprising step of:

  • accepting an input of user information containing information about a bandwidth of an access link serving as a link for connecting each of the user sites to the relay node, and information showing the relay node connecting to the user site via the access link;

    acquiring topology information of the network for relaying the communications between the user sites, wherein each of the user sites is a point through which traffic of a user flow into/out of a network;

    obtaining a communication relay port and a communication non-relay port on the basis of the user information and the topology information, obtaining an upper limit of a communication bandwidth of the communication relay port, and performing a route design so that the user sites are connected by a tree-shaped route; and

    outputting a result of the route design.

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