In this paper, we introduce the development of optical packet switching and the generic architecture of the OPS node.
文中我们介绍了光分组交换的产生背景和技术特点，对交换节点结构作了说明。
Secondly, in the respect of mathematical model, the switching architecture in the local node and the complexity of the entire network are studied.
第二，在理论数学模型方面，从局部的节点交换结构和全网的拓扑复杂性角度进行研究。
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