文章指出了WBS和传统波长路由的不同之处，对WBS的两种多粒度光交叉连接器结构进行了分析。
In this article, the difference between WBS and traditional wavelength routing is given and two types of multi-granularity optical cross-connect (MG-OXC) architectures are analyzed.
随着波分复用波长数量的增多及传输容量的快速增长，光交叉连接器的端口数目也相应地增加。
The increase in the wavelength number and capacity of a wavelength division multiplexing (WDM) network leads to the increase of input and output port number of an optical cross connector (OXC).
然而，随着波长数的增加，光交叉连接器的端口数和相关的管理控制费用以及难度将大幅度增加。
However, because of the increasing number of wavelengths, pot number of OXC and related management cost and difficulty increased greatly.
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