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首页> 外文会议>Transparent Optical Networks, 2003. Proceedings of 2003 5th International Conference on >Optical add/drop multiplexers and optical cross-connects for wavelength routed networks
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Optical add/drop multiplexers and optical cross-connects for wavelength routed networks

机译：用于波长路由网络的光分插复用器和光交叉连接

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摘要

WDM optical communication systems are evolving from simple point-to-point links to complex network architectures. In wavelength routed networks switching is performed through optical add/drop multiplexer (OADM) and optical cross-connect (OXC) nodes. These nodes provide provisioning capabilities as well as protection and restoration at the optical layer. Routing and management of the traffic demands are applied through the generalised multiprotocol label switching (GMPLS) a control plane offering intelligence at the optical layer. A central subject of debate has been the comparison of optical and electrical switching technologies, however transparent solutions offer attractive features associated with reduced unnecessary optoelectronic conversions supporting transparent networks with reduced capital and operational cost. A number of different OADM and OXC architectures based on various technologies have been proposed to date. A detailed discussion on the different architecture and technology choices supporting a variety of features are given and specific design and implementation examples are analysed. The impact of impairments introduced by transparent elements present in the network, such as OADM and/or optical switches, is discussed and optimised solutions introducing low penalties proposed. In addition, the use of novel modulation formats improving the concatenation performance of such elements is covered.
机译：WDM光通信系统正在从简单的点对点链接发展到复杂的网络体系结构。在波长路由网络中，交换是通过光分插复用器（OADM）和光交叉连接（OXC）节点执行的。这些节点在光层提供配置功能以及保护和恢复。流量需求的路由和管理通过通用的多协议标签交换（GMPLS）应用，在光层提供智能的控制平面。争论的中心问题是光和电交换技术的比较，但是透明解决方案具有吸引人的功能，与减少不必要的光电转换相关，从而支持透明网络并降低了资金和运营成本。迄今为止，已经提出了基于各种技术的许多不同的OADM和OXC体系结构。给出了有关支持各种功能的不同体系结构和技术选择的详细讨论，并分析了具体的设计和实现示例。讨论了由网络中存在的透明元素（例如OADM和/或光开关）引入的损害的影响，并提出了引入低惩罚的优化解决方案。另外，涵盖了改进这种元件的级联性能的新颖调制格式的使用。

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