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Journal of Optical Communications and Networking

Journal of Optical Communications and Networking

  • Editor: Keren Bergman
  • Vol. 7, Iss. 1 — Jan. 2, 2008
  • pp: 42–61

QoT function and A<sup>*</sup> routing: an optimized combination for connection search in translucent networks

Annalisa Morea, Nicolas Brogard, Florence Leplingard, Jean-Christophe Antona, Thierry Zami, Bruno Lavigne, and Dominique Bayart  »View Author Affiliations


Journal of Optical Networking, Vol. 7, Issue 1, pp. 42-61 (2008)
http://dx.doi.org/10.1364/JON.7.000042


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Abstract

<p><a href="http://www.osa-jon.org/virtual_issue.cfm?vid=31">Feature Issue on Transmission in Optically Transparent Core Networks</a></p>We investigate a new routing algorithm able to finely consider signal quality during propagation in an optical WDM meshed network. To evaluate the quality of transmission, we propose an analytical estimator based on experimental measurements, along with an assessment of its accuracy. The proposed algorithm 'places' optoelectronic (OEO) regenerators, taking into account the wavelength occupation and the quality of transmission of the selected optical path, so it can optimize the number of required OEO operations for a connection. To validate the interest of the proposed algorithm and the quality of transmission estimator, we present dimensioning results for two different routing strategies and two different estimators of transmission quality. The performance of the proposed methods is particularly relevant compared to works in present literature where system characteristics are not ideal.

© 2008 Optical Society of America

OCIS Codes
(060.0060) Fiber optics and optical communications : Fiber optics and optical communications
(060.1155) Fiber optics and optical communications : All-optical networks
(060.4251) Fiber optics and optical communications : Networks, assignment and routing algorithms

ToC Category:
Transmission in Optically Transparent Core Networks

History
Original Manuscript: July 23, 2007
Revised Manuscript: October 19, 2007
Manuscript Accepted: October 19, 2007
Published: December 12, 2007

Virtual Issues
Transmission in Optically Transparent Core Networks (2007) Journal of Optical Networking

Citation
Annalisa Morea, Nicolas Brogard, Florence Leplingard, Jean-Christophe Antona, Thierry Zami, Bruno Lavigne, and Dominique Bayart, "QoT function and A<sup>*</sup> routing: an optimized combination for connection search in translucent networks," J. Opt. Netw. 7, 42-61 (2008)
http://www.opticsinfobase.org/jocn/abstract.cfm?URI=jon-7-1-42

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