In order to reduce the switching and transmission cost in the optical domain of WDM networks, WaveBand switching (WBS) has been proposed, for which considerable research has been conducted.
为了降低WDM网络中光域传输和交换的成本，人们提出了波带交换(WBS)技术，并对此进行了大量的研究。
Wavelength conversion technologies are very important in future optical transmission networks.
波长变换技术是未来实现光传送网的必要条件。
The WDM technology, as the only proven super high capacity optical transmission system, has already found wide applications in networks;
波分复用技术已经在网络中广泛采用，是目前唯一成熟且付诸实用的超大容量光传输系统；
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