若由于某些原因，服务器交换的数据不那么多，专用波长的带宽就被浪费了。
If for some reason the company's servers aren't exchanging much data, the bandwidth of the dedicated wavelength is being wasted.
提出了一种新型多粒度光交叉连接（MG-OXC）的体系结构，它可以完成光纤、波带、波长的交换，以及不同粒度业务的上下话路。
A kind of novel multi-granularity OXC architecture is proposed, which can be used to fiber switching, waveband switching and wavelength switching.
在这一背景下，人们提出多粒度交换的概念，即能够同时提供波长、波带以及光纤等多种粒度的交换。
Under such circumstances, the concept of Multi-Granularity Switching appeared. It can provide the switch of wavelength, waveband and multi waveband granularity optical fiber simultaneously.
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