This dissertation manly focuses on the issues of wavelength converter optimal placement, limited-range wavelength conversion and virtual topology design.
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。
Presently there are three routing strategies for satellite networks, namely virtual topology routing strategy, virtual node routing strategy and topology dependent strategy.
目前卫星网络主要有三种路由策略：虚拟拓扑路由策略、虚拟节点路由策略和拓扑依赖策略。
A planning scheme of resource pre-configuration that forms a pre-configured topology different from physical topology and virtual topology has been introduced for dynamic optical networks.
第四，在资源使用策略方面，首次提出了一种资源预置的思想，并设计了相应的预置拓扑生成算法和基于预置拓扑的动态选路算法。
A planning scheme of resource pre-configuration that forms a pre-configured topology different from physical topology and virtual topology has been introduced for dynamic optical networks.
第四，在资源使用策略方面，首次提出了一种资源预置的思想，并设计了相应的预置拓扑生成算法和基于预置拓扑的动态选路算法。
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