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Paper Abstract and Keywords
Presentation 2005-10-13 14:50
On the deployment of wavelength converters in overlay model in wavelength-routed networks
Yukinobu Fukushima (Osaka Univ.), Hiroaki Harai (NICT), Shin'ichi Arakawa, Masayuki Murata (Osaka Univ.)
Abstract (in Japanese) (See Japanese page) 
(in English) Wavelength converters reduce connection blocking probability in wavelength-routed networks by eliminating the wavelength continuity constraint. We develop a method for deployment of wavelength converters in wavelength-routed overlay networks. In these networks, most wavelength converters are deployed on edge nodes to cover the difference in the numbers of wavelengths multiplexed on access and core links. Therefore reduction of wavelength converter cost on edge nodes leads
to minimizing the wavelength converter cost in the whole network. We propose an ingress edge node architecture with fixed wavelength converters that are more economical than full wavelength converters. In our architecture, each input access link of ingress edge nodes is equipped with fixed wavelength converters and input wavelengths from the access links are evenly distributed on the output core link. As a result, competition for a free wavelength on an output core link is avoided. Simulation results show that our edge node architecture offers more than 46% cost reduction.
Keyword (in Japanese) (See Japanese page) 
(in English) WDM / overlay model / lightpath network / wavelength conversion / fixed wavelength conversion / / /  
Reference Info. IEICE Tech. Rep., vol. 105, no. 323, IN2005-90, pp. 13-18, Oct. 2005.
Paper # IN2005-90 
Date of Issue 2005-10-06 (IN) 
ISSN Print edition: ISSN 0913-5685  Online edition: ISSN 2432-6380

Conference Information
Committee PN IN  
Conference Date 2005-10-13 - 2005-10-14 
Place (in Japanese) (See Japanese page) 
Place (in English) Keio Univ. (Yagami) 
Topics (in Japanese) (See Japanese page) 
Topics (in English) Architecture/OAM/Control Protocol of IP backborn networks and Photonic networks, etc. 
Paper Information
Registration To IN 
Conference Code 2005-10-PN-IN 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) On the deployment of wavelength converters in overlay model in wavelength-routed networks 
Sub Title (in English)  
Keyword(1) WDM  
Keyword(2) overlay model  
Keyword(3) lightpath network  
Keyword(4) wavelength conversion  
Keyword(5) fixed wavelength conversion  
1st Author's Name Yukinobu Fukushima  
1st Author's Affiliation Osaka University (Osaka Univ.)
2nd Author's Name Hiroaki Harai  
2nd Author's Affiliation National Institute of Information and Communications Technology (NICT)
3rd Author's Name Shin'ichi Arakawa  
3rd Author's Affiliation Osaka University (Osaka Univ.)
4th Author's Name Masayuki Murata  
4th Author's Affiliation Osaka University (Osaka Univ.)
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Date Time 2005-10-13 14:50:00 
Presentation Time 25 
Registration for IN 
Paper # IEICE-IN2005-90 
Volume (vol) IEICE-105 
Number (no) no.323 
Page pp.13-18 
#Pages IEICE-6 
Date of Issue IEICE-IN-2005-10-06 

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