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Title:
OPTICAL NETWORK MANAGEMENT DEVICE
Document Type and Number:
Japanese Patent JP2019146272
Kind Code:
A
Abstract:
To remove the difficulty of recovery from multiple failures having generated, without involving reduction in the efficiency of using an optical network, in the optical network.SOLUTION: The optical network management device according to the present invention includes: optical path setting unit; and failure generation time optical path setting means, the optical path setting unit setting a plurality of operational paths in a first physical route and setting a plurality preliminary paths corresponding to the operational paths, respectively, in a plurality of physical routes different from the first physical route, and the failure generation time optical path setting means setting a failure generation time optical path for which bands of several operational paths have been changed in a physical route different from the physical route in which a preliminary path in which a failure has generated is set if a failure has generated in at least one of the operational paths and the preliminary paths.SELECTED DRAWING: Figure 1

Inventors:
FUJISAWA SHINSUKE
TAKESHITA HITOSHI
HINO TOMOYUKI
TAJIMA AKIO
Application Number:
JP2019104977A
Publication Date:
August 29, 2019
Filing Date:
June 05, 2019
Export Citation:
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Assignee:
NEC CORP
International Classes:
H04L45/247
Domestic Patent References:
JP2002171258A2002-06-14
JP2010166328A2010-07-29
JP2013236131A2013-11-21
JP2013243559A2013-12-05
JP2014175756A2014-09-22
Attorney, Agent or Firm:
Masahiko Desk
Naoki Shimosaka