电力PTN保护倒换机制对通信业务性能影响的研究

发布时间：2018-04-19 20:06

本文选题：PTN + 保护倒换　；参考：《华北电力大学》2017年硕士论文

【摘要】：随着智能电网和信息化建设的大力推进,分组数据在众多业务中的比例占据主导地位,电力业务不仅对通信网络的稳定性、可靠性、准确性要求越来越高,同时也对通信网络灵活、高效的业务接入能力和多样化的服务质量提出了新的要求。现网中传统的SDH/MSTP网络对于生产控制类业务具有良好的承载能力,但无法满足大量IP业务传输需求。业务的发展为PTN技术提供了发展空间,目前它已经成为支撑电力通信网主流技术之一。PTN设备均内置了自动保护倒换算法和性能/告警监视功能,它们能保证在网络故障的条件下具备自愈能力。当发生故障时,PTN网络中的自动保护倒换可以确保数据的完整性和维持服务质量。本文围绕PTN网络保护倒换机制对电力通信业务性能的影响进行研究。第一,对适用于PTN网络的各类保护倒换方式的工作机理和关键技术进行了详细分析,并总结出了PTN网络的保护通用功能。通过不同保护方式的对比,给出了各类电力通信业务适用的保护方式。第二,对电力通信业务的性能需求进行分析,在此基础上研究了PTN保护倒换对其产生的影响。第三,搭建了实验室环境下的PTN传输平台,在不同保护倒换方式下对业务性能的影响进行了测试,得出了PTN倒换状态下对业务的时延及可靠性会产生一定影响,但均在业务承受范围之内的结论。第四,依托河北省电力公司PTN网络,从其承载的不同业务类型入手,对PTN倒换状态下的业务性能影响进行了测试,测试结果表明PTN保护倒换会对TDM及以太网业务性能产生影响,但是满足业务性能需求。本课题研究的内容,为PTN保护倒换技术在电力通信业务上更好的应用提供了一定的理论依据和数据参考,为PTN厂家更好改进网络生存机制提供了技术支撑。
[Abstract]:With the development of smart grid and information construction, the proportion of packet data plays a dominant role in many services. The power business not only requires the stability, reliability and accuracy of the communication network, but also the accuracy of the network. At the same time, new requirements for flexible, efficient service access and diversified quality of service (QoS) of communication networks are put forward. The traditional SDH/MSTP network in the present network has good load-carrying capacity for the production control services, but it can not meet the needs of a large number of IP services. The development of service has provided the development space for PTN technology. At present, it has become one of the mainstream technologies supporting power communication network. PTNs have built-in automatic protection switching algorithm and performance / alarm monitoring function. They can guarantee the ability of self-healing under the condition of network failure. The automatic protection switching in PTN network can ensure the integrity of data and maintain the quality of service. This paper focuses on the influence of PTN network protection switching mechanism on the performance of power communication services. Firstly, the working mechanism and key technologies of various protection switching methods suitable for PTN network are analyzed in detail, and the general protection functions of PTN network are summarized. Through the comparison of different protection modes, the suitable protection methods for various kinds of electric power communication services are given. Secondly, the performance requirement of power communication service is analyzed, and the influence of PTN protection switching on it is studied. Thirdly, the PTN transmission platform under the laboratory environment is built, and the influence on the service performance under different protection switching mode is tested. It is concluded that the delay and reliability of the service will be affected by the PTN switching state. However, all within the scope of the business within the conclusion. Fourthly, based on the PTN network of Hebei Electric Power Company, the influence of PTN switching on service performance is tested from different service types. The test results show that PTN protection switching will have an impact on TDM and Ethernet service performance. But meet the business performance requirements. The content of this paper provides a certain theoretical basis and data reference for the better application of PTN protection switching technology in the electric power communication business, and provides technical support for the PTN manufacturers to improve the network survival mechanism better.
【学位授予单位】：华北电力大学
【学位级别】：硕士
【学位授予年份】：2017
【分类号】：TM73;TN915.853

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