WDM Optical Network Restoration and Spare Resource Planning using Multiple Ring-Cover


The KIPS Transactions:PartC, Vol. 12, No. 6, pp. 891-900, Oct. 2005
10.3745/KIPSTC.2005.12.6.891,   PDF Download:

Abstract

This paper studies network recovery methods for WDM optical mesh networks, concentrating on improving spare resource utilization. The resource efficiency can be obtainde by sharing spare resources needed for network recovery. To improve the sharability of spare resources in WDM networks, methods to share backup paths as well as spare capacity should be studied. The proposed method in this papre uses multiple ring-covers and this method provides fast and simple recovery operation by explointing the characteristics of logical ring topology, and also provides efficient resource utilization by using multiple distributed backup paths to improve the sharability of overall spare resouces in the networks. This method can provide layerd reliability to network service by enabiling hierarchical robustness against multiple failures. The performance results show that the proposed method provide improved resource efficiency for single failure and enhanced robustness for multiple failures.


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Cite this article
[IEEE Style]
H. Y. Hwang and S. S. Lim, "WDM Optical Network Restoration and Spare Resource Planning using Multiple Ring-Cover," The KIPS Transactions:PartC, vol. 12, no. 6, pp. 891-900, 2005. DOI: 10.3745/KIPSTC.2005.12.6.891.

[ACM Style]
Ho Young Hwang and Sung Soo Lim. 2005. WDM Optical Network Restoration and Spare Resource Planning using Multiple Ring-Cover. The KIPS Transactions:PartC, 12, 6, (2005), 891-900. DOI: 10.3745/KIPSTC.2005.12.6.891.