Naohide NAGATSU


GMPLS-Based Multiple Failure Recovery Employing Restoration Scheme Escalation in Optical Path Networks
Yoshiaki SONE Wataru IMAJUKU Naohide NAGATSU Masahiko JINNO 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2009/01/01
Vol. E92-B  No. 1  pp. 46-58
Type of Manuscript:  Special Section PAPER (Special Section on Networking Technologies for Dependable Networks)
Category: 
Keyword: 
restorationscheme escalationmultiple failurespath accommodation designsGMPLS
 Summary | Full Text:PDF(1.2MB)

Highly-Reliable and Fast M:N End-to-End Restoration Scheme for Photonic IP Networks
Wataru IMAJUKU Yoshiaki SONE Naohide NAGATSU Akio SAHARA Yoshihiro TAKIGAWA 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2005/10/01
Vol. E88-B  No. 10  pp. 3914-3921
Type of Manuscript:  Special Section PAPER (Special Section on Next Generation Photonic Network Technologies)
Category: 
Keyword: 
optical pathOXCGMPLSrestorationRSVP-TE
 Summary | Full Text:PDF(632.6KB)

Network Design for Multi-Layered Photonic IP Networks Considering IP Traffic Growth
Shigeru KANEDA Tomohiko UYEMATSU Naohide NAGATSU Ken-ichi SATO 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2004/02/01
Vol. E87-B  No. 2  pp. 302-309
Type of Manuscript:  PAPER
Category: Internet
Keyword: 
GMPLS (Generalized Multi-Protocol Label Switching)LSP (Label Switched Path)network designphotonic networkwavelength routing
 Summary | Full Text:PDF(655.3KB)

Flexible OADM Architecture and Its Impact on WDM Ring Evolution for Robust and Large-Scale Optical Transport Networks
Naohide NAGATSU Satoru OKAMOTO Masafumi KOGA Ken-ichi SATO 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 1999/08/25
Vol. E82-C  No. 8  pp. 1371-1380
Type of Manuscript:  Special Section PAPER (Joint Special Issue on Recent Progress in Optoelectronics and Communications)
Category: Communication Networks
Keyword: 
optical transport networkring networkglobal area networkoptical add/drop multiplexer (OADM)path protection
 Summary | Full Text:PDF(1.3MB)

Flexible OADM Architecture and Its Impact on WDM Ring Evolution for Robust and Large-Scale Optical Transport Networks
Naohide NAGATSU Satoru OKAMOTO Masafumi KOGA Ken-ichi SATO 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 1999/08/25
Vol. E82-B  No. 8  pp. 1105-1114
Type of Manuscript:  Special Section PAPER (Joint Special Issue on Recent Progress in Optoelectronics and Communications)
Category: Communication Networks
Keyword: 
optical transport networkring networkglobal area networkoptical add/drop multiplexer (OADM)path protection
 Summary | Full Text:PDF(639.5KB)

Standardization Activities for Optical Networking Relevant Issues
Kimio OGUCHI Naohide NAGATSU 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 1998/08/25
Vol. E81-C  No. 8  pp. 1167-1175
Type of Manuscript:  INVITED PAPER (Special Issue on High-Capacity WDM/TDM Networks)
Category: Photonic Networking
Keyword: 
standardizationoptical networkingITU-T
 Summary | Full Text:PDF(681.6KB)

Optical Path Accommodation Design Enabling Cross-Connect System Scale Evaluation
Naohide NAGATSU Ken-ichi SATO 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 1995/09/25
Vol. E78-B  No. 9  pp. 1339-1343
Type of Manuscript:  LETTER
Category: Optical Communication
Keyword: 
optical path networkcross-connect system scalewavelength assignmentheuristic method
 Summary | Full Text:PDF(324.7KB)

Optical Path Accommodation Designs Applicable to Large Scale Networks
Naohide NAGATSU Yoshiyuki HAMAZUMI Ken-ichi SATO 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 1995/04/25
Vol. E78-B  No. 4  pp. 597-607
Type of Manuscript:  PAPER
Category: Optical Communication
Keyword: 
optical pathwavelength division multiplexingnumber of wavelengthspath accommodation designheuristic procedure
 Summary | Full Text:PDF(1008.7KB)