λ-Ring System : An Application in Survivable WDM Networks of Interconnected Self-Healing Ring Systems
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概要
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This paper proposes a λ-ring system that is a wavelength-based self-healing-ring application unlike ordinary fiber-based ones. To design survivable networks of interconnected such self-healing ring systems, a virtual mesh network scheme is used, in which wavelength assignment in virtual links can be considered according to the λ-ring-system or fiber-ring-system applications of the bidirectional wavelength-path switched archi-tecture. Integer-programming-based design problems are then formulated that minimize the total fiber length in these self-healing-ring applications. Numerical examples show that the λ-ring-system application is always superior to fiber and 2-fiber-ring-system applications and 1+1 end-to-end path protection.
- 社団法人電子情報通信学会の論文
- 2001-06-01