双向线路交换环的可用性模型

Proceedings of 2001 3rd International Conference on Transparent Optical Networks (IEEE Cat. No.01EX488) Pub Date : 2001-06-18 DOI:10.1109/ICTON.2001.934778

I. Rados, P. Turalija, T. Sunarić

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引用次数: 10

摘要

分析了双向线路交换环(BLSR)的可用性。本文列举了引入同步数字层次的一些原因，并对保护机制的发展进行了综述。定义了与可用性相关的主要概念以及串行和并行结构的可用性。进一步阐述了BLSR的工作原理，并对BLSR的可用性进行了分析。对节点的可用性模型进行了检验，分析了节点的影响，以及光缆的可用性对BLSR内两个节点间2 Mb/s信号总可用性的影响。BLSR可用性的计算是根据对HPT Mostar的SDH网络进行的多年观测以及从制造商处获得的光缆和设备故障的数据进行的。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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Availability model of bidirectional line switched ring

This paper analyzes the availability of a bidirectional line switched ring (BLSR). Some reasons for the introduction of synchronous digital hierarchy are listed as well as a survey of protection mechanisms development. The main concepts related to availability are defined as well as the availability of serial and parallel structures. Further, the working principle is explained and analysis of BLSR availability is made. The availability model of the nodes is examined and their influence is analysed as well as the influence of optical cable availability to the total availability of a 2 Mb/s signal between two nodes inside BLSR. Calculation of the availability of BLSR is made using data pertaining to the failures of optical cables and equipment which are obtained during years-long observation of the SDH network of HPT Mostar as well as those obtained from manufacturers.

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Proceedings of 2001 3rd International Conference on Transparent Optical Networks (IEEE Cat. No.01EX488)

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