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首页> 外文会议>Transparent Optical Networks, 2003. Proceedings of 2003 5th International Conference on >Labeling of signals in transparent optical networks
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Labeling of signals in transparent optical networks

机译：透明光网络中的信号标记

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摘要

Management, switching and protection of signals in a core network depends on transmission of management data associated with specific channels, e.g. for identification of channel origin, destination and content. SDH and DWDM networks provide dedicated data channels for this purpose. While reliable and standardized for SDH/SONET networks, such solutions are expensive and not compatible with an "all-optical network" approach. Some general remarks are made about optical signal labels and some known applications for them are listed. Labeling techniques proposed for transparent networks are reviewed, with special attention given to: pilot tones; low-frequency and high-frequency subcarrier modulated data channels; insertion of label data into fixed locations within the frame of the host signal. Although there are several options for labeling and attaching extra information to signals in transparent optical networks, standards are lacking and demand for high performance all-optical networks has not arrived yet.
机译：核心网络中信号的管理，交换和保护取决于与特定信道相关的管理数据的传输，例如：用于标识频道的来源，目的地和内容。 SDH和DWDM网络为此提供了专用的数据通道。尽管对于SDH / SONET网络是可靠且标准化的，但此类解决方案价格昂贵，并且与“全光网络”方法不兼容。对光信号标签作了一些一般性说明，并列出了一些已知的应用。审查了为透明网络提议的标记技术，并特别注意：导频音;低频和高频子载波调制数据信道;将标签数据插入主机信号帧内的固定位置。尽管在透明光网络中有多种标记和将额外信息附加到信号上的选项，但缺乏标准，对高性能全光网络的需求尚未到来。

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