Title:
OPTICAL NODE DEVICE, OPTICAL NETWORK CONTROL DEVICE, AND OPTICAL NETWORK CONTROL METHOD
Document Type and Number:
WIPO Patent Application WO/2015/162875
Kind Code:
A1
Abstract:
Since it is difficult, due to the occurrence of fragmentation of optical frequency bands, to improve the usage efficiency of optical frequency bands in an optical network that uses a dense wavelength division multiplexing method using a flexible frequency grid, this optical network control device is provided with: an optical frequency domain setting means that sets a plurality of optical frequency domains for optical frequency bands used in an optical network that uses a dense wavelength division multiplexing method using a flexible frequency grid; an optical path setting means that sets optical paths having a common attribute to at least one of the optical frequency domains; and an optical frequency domain control means that changes the optical frequency widths of the optical frequency domains and instructs the optical frequency domain setting means to reset a plurality of optical frequency reset regions, which have optical frequency widths that have been changed, as the optical frequency regions.
Inventors:
TAKESHITA HITOSHI (JP)
FUJISAWA SHINSUKE (JP)
HINO TOMOYUKI (JP)
TAJIMA AKIO (JP)
FUJISAWA SHINSUKE (JP)
HINO TOMOYUKI (JP)
TAJIMA AKIO (JP)
Application Number:
PCT/JP2015/002075
Publication Date:
October 29, 2015
Filing Date:
April 15, 2015
Export Citation:
Assignee:
NEC CORP (JP)
International Classes:
H04J14/00; H04B10/27; H04J14/02; H04L12/28; H04L45/42
Foreign References:
| JP2012029156A | 2012-02-09 | |||
| JP2014017651A | 2014-01-30 | |||
| JP2012248958A | 2012-12-13 |
Other References:
MASAHIKO JINNO ET AL.: "Spectrum-Efficient and Scalable Elastic Optical Path Network: Architecture, Benefits, and Enabling Technologies", IEEE COMMUNICATIONS MAGAZINE, vol. 47, no. 11, November 2009 (2009-11-01), pages 66 - 73, XP011284156
Attorney, Agent or Firm:
SHIMOSAKA, NAOKI (JP)
Naoki Shimosaka (JP)
Naoki Shimosaka (JP)
Download PDF: