它主要用于光网络的光交叉(OXC)节点系统中，用来实现全光层次的路由选择、波长选择、光交叉连接等功能。
Optical switch is chiefly used in OXC (optical Cross Connection) system in optical network. It can fulfill many functions such as routing, selecting optical wavelength and OXC etc.
为了解决WDM网络中多优先级动态业务的路由选择与波长分配问题，提出了一种基于分层图模型的动态RAW算法。
In order to solve the problem of routing and wavelength assignment for priority-based dynamic operation in WDM networks, a dynamic RAW algorithm based on layered graph was proposed.
采用路由选择和波长分配（RWA）的WDM光网络被认为是下一代高速广域骨干网的最有竞争力的候选方案。
The WDM optical networks employing routing and wavelength assignment (RWA) are considered as the most competitive candidates for next generation backbone networks.
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