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http://dx.doi.org/10.3745/KIPSTC.2005.12C.1.077

Efficient Protection/Restoration by Separation of Domains in Optical Networks  

Yim Soon-Bin (성균관대학교 전기전자및컴퓨터공학부)
An Hyun-Ki (성균관대학교 정보통신공학부)
Lee Tae-Jin (성균관대학교 정보통신공학부)
Publication Information
The KIPS Transactions:PartC / v.12C, no.1, 2005 , pp. 77-82 More about this Journal
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 cycles 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.
Keywords
Optical Networks; Protection/Restoration; Hamiltonian Cycle; Domains;
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