光多级互连网络中串扰对排列的影响
Effect of Crosstalk on Permutation in Optical Multistage Interconnection Networks
摘要：
光MIN具有很大的前景，比电子网络有优势，但也有自己的挑战。对电子多级互连网络（EMIN）已经做了更多的研究，但是现在光通信是满足高带宽应用的高性能计算通信应用的日益增长的需求的良好的联网选择。电子多级互连网络（EMIN）和光多级互连网络（OMIN）有许多相似之处，但它们之间存在一些根本性的区别，如光开关中的光损耗和串扰问题。为了减少串扰的负面影响，已经提出了在空间域或时间域中应用膨胀概念的各种方法。使用空间域方法，使用额外的SE以确保在任何给定时间将使用每个SE的至多一个输入和一个输出。对于没有串扰的光网络，需要将消息分成若干组，然后为每组使用一个时隙（通道）来传送消息，这被称为时分复用。本文讨论了光学MIN的排列可通过性行为。还解释了具有或不具有串扰的光学MIN的带宽。由此得到的结果表明，网络的性能提高，允许串扰在一定程度上。
英文摘要：
Optical MINs hold great promise and have advantages over their electronic networks.they also hold their own challenges. More research has been done on Electronic Multistage Interconnection Networks, (EMINs) but these days optical communication is a good networking choice to meet the increasing demands of high-performance computing communication applications for high bandwidth applications. The electronic Multistage Interconnection Networks (EMINs) and the Optical Multistage Interconnection Networks (OMINs) have many similarities, but there are some fundamental differences between them such as the optical-loss during switching and the crosstalk problem in the optical switches. To reduce the negative effect of crosstalk, various approaches which apply the concept of dilation in either the space or time domain have been proposed. With the space domain approach, extra SEs are used to ensure that at most one input and one output of every SE will be used at any given time. For an Optical network without crosstalk, it is needed to divide the messages into several groups, and then deliver the messages using one time slot (pass) for each group, which is called the time division multiplexing. This Paper discusses the permutation passability behavior of optical MINs. The bandwidth of optical MINs with or without crosstalk has also been explained. The results thus obtained shows that the performance of the networks improves by allowing crosstalk to some extent.
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