Efficient Protection/Restoration by Separation of Domains in Optical Networks 


Vol. 12,  No. 1, pp. 77-82, Feb.  2005
10.3745/KIPSTC.2005.12.1.77


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  Abstract

Protection of user service becomes increasingly important since even very short interruption of service due to link or node failure will cause huge data loss and incur tremendous restoration cost in high speed network environment. Thus fast and efficient protection and restoration is one of the most important issues to be addressed. Protection methods have been proposed to provide efficiency and stability in optical networks. In this paper, an original network is separated into several domains using Hamiltonian cycle, and link protection is performed on the cycle of the domains. We have shown that protection path length can be decreased up to 57% with marginal increase of backup capacity. Our proposed method can provide high-speed protection with marginal increase of protection capacity.

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[IEEE Style]

S. B. Yim, H. K. An, T. J. Lee, "Efficient Protection/Restoration by Separation of Domains in Optical Networks," The KIPS Transactions:PartC, vol. 12, no. 1, pp. 77-82, 2005. DOI: 10.3745/KIPSTC.2005.12.1.77.

[ACM Style]

Soon Bin Yim, Hyun Ki An, and Tae Jin Lee. 2005. Efficient Protection/Restoration by Separation of Domains in Optical Networks. The KIPS Transactions:PartC, 12, 1, (2005), 77-82. DOI: 10.3745/KIPSTC.2005.12.1.77.

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