| 摘要 |
PROBLEM TO BE SOLVED: To provide a path design device, a path design system and a path design method by which the path design can be easily and rapidly performed in a multiplayer network. SOLUTION: The path design device 13 includes a plurality of networks designing means 1324 to 1321. The plurality of networks designing means 1324 obtains, via a path design IF section 131, a design request from a design requesting input device 11 and network information from a network information memorizing device 12 to design the path of a layer 4 between end-point nodes whose setting have been requested. When a new path of a lower layer is required, the path design device 13 makes a path design request for a next lower layer 3 that can be designed and then inputs the design request and the network information into the networks designing means 1323 to make the networks designing means 1323 design the path design. If necessary and possible, the path design device 13 instructs likewise the path design further for a lower layer 2, thus repeating the same processing of the path design down to the lowest layer 1. COPYRIGHT: (C)2004,JPO&NCIPI
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