A wavelength assignment scheme for WDM networks with limited range wavelength converters

Sho Shimizu, Yutaka Arakawa, Naoaki Yamanaka

研究成果: 書籍/レポート タイプへの寄稿会議への寄与

1 被引用数 (Scopus)

抄録

In this paper, we propose a new wavelength assignment scheme that improves the blocking probability of WDM networks that use limited-range wavelength converters. Limited-range wavelength converters are attractive for wavelength-routed networks given current technology since they offer good utilization of the wavelength resource and improved blocking probability. However, their conversion ranges are limited, the maximum difference between the input and output wavelengths is restricted. Thus, we must take into account the existence of these limitedrange wavelength converters. In our proposed scheme, each connection request is assigned a different wavelength according to its hop number. We tend to use different wavelengths for connection requests with different hop numbers. As a result, we can reduce the blocking probability by two decades compared to simply assigning the shortest available wavelengths. In addition, it allows the number of wavelength converters used in each node to be reduced with almost no degradation in blocking probability. Simulation results show that the proposed scheme can reduce the wavelength converters by about 20%.

本文言語英語
ホスト出版物のタイトル2006 IEEE International Conference on Communications, ICC 2006
ページ2787-2792
ページ数6
DOI
出版ステータス出版済み - 2006
外部発表はい
イベント2006 IEEE International Conference on Communications, ICC 2006 - Istanbul, トルコ
継続期間: 7月 11 20067月 15 2006

出版物シリーズ

名前IEEE International Conference on Communications
6
ISSN(印刷版)0536-1486

会議

会議2006 IEEE International Conference on Communications, ICC 2006
国/地域トルコ
CityIstanbul
Period7/11/067/15/06

!!!All Science Journal Classification (ASJC) codes

  • コンピュータ ネットワークおよび通信
  • 電子工学および電気工学

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