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Routing algorithm using the flooding mechanism in a hybrid optical-CDMA and WDM all-optical network

机译：在光CDMA和WDM全光网络中使用泛洪机制的路由算法

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摘要

This study describes speclfic characteristics of optical technology and the requirements they place on routing and path selection. Moreover, a concept for an all-optical clrcuit-switched network is presented that utilizes near future WDM and optical-CDMA technologies. Mainly this study emphasizes on devising a routing algorithm for all-optical networks that use these technologies and taking into consideration the optical technology attributes. The assumption that parallel channels traversing the same path have the same metric (cost) is no longer valid. The algorithm adopts a flooding mechanism to compute metrics corresponding to every possible path between source and destination nodes based on link impairments and switch characteristics. From amongst computed costs, a selection is taken minimizing the cost by using Viterbi algorithm. This way, codes and wavelengths are assigned based on the characteristics of each link for each possible route, thus optimizing the network's performance.
机译：这项研究描述了光学技术的特殊特性以及它们对路由和路径选择的要求。此外，提出了一种利用不久的将来的WDM和光CDMA技术的全光电路交换网络的概念。本研究主要着重于为使用这些技术的全光网络设计一种路由算法，并考虑到光技术的属性。穿越相同路径的并行通道具有相同度量（成本）的假设不再有效。该算法采用泛洪机制，根据链路损伤和交换特性，计算与源节点和目标节点之间的每个可能路径相对应的度量。通过使用维特比算法，从计算出的成本中进行选择以使成本最小化。这样，将根据每个链路的特性为每个可能的路径分配代码和波长，从而优化网络性能。

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