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Proceedings Paper

A reactive fault-tolerant integrated QoS unicast routing scheme in IP over DWDM optical Internet
Author(s): Xingwei Wang; Shuxiang Cai; Guangyong An; Min Huang
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Paper Abstract

IP over DWDM optical Internet is one of the main networking techniques for NGI (Next Generation Internet), and how to improve its fault-tolerance capability and QoS (Quality of Service) becomes critical. Fault-tolerant QoS routing is one of the effective solutions. In this paper, a reactive fault-tolerant integrated QoS unicast routing scheme is proposed based on heuristic A algorithm to deal with the case of single-link/single-node failure. Its objective is to make the best balance among delay, load and the cost of wavelength conversion, trying to improve the wavelength utilization and failure restoring rate. Simulation results have shown that the proposed scheme is both feasible and effective.

Paper Details

Date Published: 28 September 2006
PDF: 6 pages
Proc. SPIE 6354, Network Architectures, Management, and Applications IV, 63542Q (28 September 2006); doi: 10.1117/12.690789
Show Author Affiliations
Xingwei Wang, Northeastern Univ. (China)
Shuxiang Cai, Northeastern Univ. (China)
Guangyong An, Korea Univ. (South Korea)
Min Huang, Northeastern Univ. (China)


Published in SPIE Proceedings Vol. 6354:
Network Architectures, Management, and Applications IV
Yong Hyub Won; Gee-Kung Chang; Ken-ichi Sato; Jian Wu, Editor(s)

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