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首页> 外文会议>Conference on Optical Transmission Systems and Equipment for WDM Networking, Jul 29-31, 2002, Boston, USA >Optical Protection Ring Architectures and Applications
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Optical Protection Ring Architectures and Applications

机译：光学保护环架构和应用

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摘要

This paper surveys recent progress in optical protection rings with the focus on transparent optical protection rings. Generic requirements and attributes for optical protection rings, different optical protection ring architectures such as dedicated and shared protection rings in both the optical channel layer and the optical multiplex section layer are described. In particular, optical channel shared protection rings are discussed in detail including node architecture designs, ring protocols, triggers and messaging channels. Feasibility studies and experimental results from Corning Incorporated and other companies are reviewed. The paper also discusses how protection switching times scale with number of nodes and number of wavelengths, and shows examples of applications using the scaling rules for practical optical networks such as metro, regional and long haul ring network. Finally, the paper discusses remaining issues and future developments in the optical protection ring area.
机译：本文以透明光学保护环为重点，综述了光学保护环的最新进展。描述了光学保护环的一般要求和属性，描述了不同的光学保护环体系结构，例如光学通道层和光学多路复用部分层中的专用和共享保护环。特别地，详细讨论了光信道共享保护环，包括节点体系结构设计，环协议，触发器和消息通道。评论了康宁公司和其他公司的可行性研究和实验结果。本文还讨论了保护切换时间如何随节点数和波长数进行缩放，并展示了使用缩放规则的应用示例，这些规则适用于诸如城域网，区域网和长途环网之类的实际光网络。最后，本文讨论了光学保护环领域中尚存的问题和未来的发展。

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