本文選題：PTN + 保護(hù)倒換��； 參考：《華北電力大學(xué)》2017年碩士論文

【摘要】：隨著智能電網(wǎng)和信息化建設(shè)的大力推進(jìn),分組數(shù)據(jù)在眾多業(yè)務(wù)中的比例占據(jù)主導(dǎo)地位,電力業(yè)務(wù)不僅對(duì)通信網(wǎng)絡(luò)的穩(wěn)定性、可靠性、準(zhǔn)確性要求越來(lái)越高,同時(shí)也對(duì)通信網(wǎng)絡(luò)靈活、高效的業(yè)務(wù)接入能力和多樣化的服務(wù)質(zhì)量提出了新的要求�，F(xiàn)網(wǎng)中傳統(tǒng)的SDH/MSTP網(wǎng)絡(luò)對(duì)于生產(chǎn)控制類(lèi)業(yè)務(wù)具有良好的承載能力,但無(wú)法滿足大量IP業(yè)務(wù)傳輸需求。業(yè)務(wù)的發(fā)展為PTN技術(shù)提供了發(fā)展空間,目前它已經(jīng)成為支撐電力通信網(wǎng)主流技術(shù)之一。PTN設(shè)備均內(nèi)置了自動(dòng)保護(hù)倒換算法和性能/告警監(jiān)視功能,它們能保證在網(wǎng)絡(luò)故障的條件下具備自愈能力。當(dāng)發(fā)生故障時(shí),PTN網(wǎng)絡(luò)中的自動(dòng)保護(hù)倒換可以確保數(shù)據(jù)的完整性和維持服務(wù)質(zhì)量。本文圍繞PTN網(wǎng)絡(luò)保護(hù)倒換機(jī)制對(duì)電力通信業(yè)務(wù)性能的影響進(jìn)行研究。第一,對(duì)適用于PTN網(wǎng)絡(luò)的各類(lèi)保護(hù)倒換方式的工作機(jī)理和關(guān)鍵技術(shù)進(jìn)行了詳細(xì)分析,并總結(jié)出了PTN網(wǎng)絡(luò)的保護(hù)通用功能。通過(guò)不同保護(hù)方式的對(duì)比,給出了各類(lèi)電力通信業(yè)務(wù)適用的保護(hù)方式。第二,對(duì)電力通信業(yè)務(wù)的性能需求進(jìn)行分析,在此基礎(chǔ)上研究了PTN保護(hù)倒換對(duì)其產(chǎn)生的影響。第三,搭建了實(shí)驗(yàn)室環(huán)境下的PTN傳輸平臺(tái),在不同保護(hù)倒換方式下對(duì)業(yè)務(wù)性能的影響進(jìn)行了測(cè)試,得出了PTN倒換狀態(tài)下對(duì)業(yè)務(wù)的時(shí)延及可靠性會(huì)產(chǎn)生一定影響,但均在業(yè)務(wù)承受范圍之內(nèi)的結(jié)論。第四,依托河北省電力公司PTN網(wǎng)絡(luò),從其承載的不同業(yè)務(wù)類(lèi)型入手,對(duì)PTN倒換狀態(tài)下的業(yè)務(wù)性能影響進(jìn)行了測(cè)試,測(cè)試結(jié)果表明PTN保護(hù)倒換會(huì)對(duì)TDM及以太網(wǎng)業(yè)務(wù)性能產(chǎn)生影響,但是滿足業(yè)務(wù)性能需求。本課題研究的內(nèi)容,為PTN保護(hù)倒換技術(shù)在電力通信業(yè)務(wù)上更好的應(yīng)用提供了一定的理論依據(jù)和數(shù)據(jù)參考,為PTN廠家更好改進(jìn)網(wǎng)絡(luò)生存機(jī)制提供了技術(shù)支撐。
[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.
【學(xué)位授予單位】：華北電力大學(xué)
【學(xué)位級(jí)別】：碩士
【學(xué)位授予年份】：2017
【分類(lèi)號(hào)】：TM73;TN915.853

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