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首页> 外文期刊>WSEAS Transactions on Circuits and Systems >99.99% Availability Realization of CATV Networks with Operation Maintenance and Administration Capability
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99.99% Availability Realization of CATV Networks with Operation Maintenance and Administration Capability

机译：具有运营维护和管理功能的CATV网络的99.99％可用性实现

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摘要

Cable Television (CATV) networks have become the preferred transmission infrastructure to provide integrated high-quality services, and 99.99% availability is the specified ideal target of HFC networks. This paper focuses on the realization of 99.99% availability by operation, administration and maintenance (OAM). In order to ensure the network availability by OAM, the importance of reducing MTTR (Mean Time to Repair) is investigated, and three key influence factors are pointed out, which are the network design structure, the equipment MTBF, and the equipment MTTR. Following which, by comparatively studying three typical network models, the specific measures to improve network availability are developed. The key idea is to select reasonable network structure by combining available operation and maintenance. The numerical results clearly show that these measurements could achieve the availability goal of 99.99%.
机译：有线电视（CATV）网络已成为提供集成的高质量服务的首选传输基础结构，并且99.99％的可用性是HFC网络的指定理想目标。本文着重于通过运营，管理和维护（OAM）实现99.99％的可用性。为了通过OAM确保网络可用性，研究了减少MTTR（平均修复时间）的重要性，并指出了三个关键影响因素，即网络设计结构，设备MTBF和设备MTTR。随后，通过比较研究三种典型的网络模型，制定了提高网络可用性的具体措施。关键思想是通过结合可用的操作和维护来选择合理的网络结构。数值结果清楚地表明，这些测量可以达到99.99％的可用性目标。

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