本文主要研究了波分复用光传送网中波长转换器优化配置问题，有限范围波长转换问题，以及虚拓扑设计问题。
This dissertation manly focuses on the issues of wavelength converter optimal placement, limited-range wavelength conversion and virtual topology design.
本文研究了动态业务下，波分复用光传送网的选路和波长分配问题，提出了一种基于备用选路的选路和波长分配算法。
In this paper, an alternate routing algorithm is proposed for the problem of routing and assignment of wavelength in wavelength Division Multiplexing (WDM) optical transport network.
本文研究了动态业务下，波分复用光传送网的选路和波长分配问题，提出了一种基于备用选路的选路和波长分配算法。
In this paper, an alternate routing algorithm is proposed for the problem of routing and assignment of wavelength in wavelength Division Multiplexing (WDM) optical transport network.
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