本文選題：PTN + MPLS-TP��； 參考：《武漢理工大學》2014年碩士論文

【摘要】：近些年來，通信領域相關技術已進入一個飛速發(fā)展時期，傳統傳輸網絡越來越不能滿足飛速發(fā)展的業(yè)務需求，這引發(fā)了傳送技術和業(yè)務承載的不斷革新。在“ALL IP環(huán)境”逐漸成熟的大背景下，為了滿足高速增長的運營級以太網業(yè)務以及由此帶來的寬帶業(yè)務需求，各種光網絡新技術層出不窮。分組傳送技術越來越多的應用在城域網中，其中一個突出的代表就是PTN，且已經成為傳輸技術的主流。PTN技術的發(fā)展，可滿足大帶寬業(yè)務和大顆粒IP業(yè)務的傳輸，并有效的實現了PTN與現網SDH/MSTP的有機融合。PTN技術是“面向連接的分組傳送”技術，其中“面向連接”強調可以滿足電信運營級的要求，因此必須提供和傳統傳送網相稱的OAM能力，其實，改進的分組傳送技術和端到端的電信級OAM機制的聯合體就是PTN。 本論文根據PTN設備傳送的業(yè)務需求，，通過對PTN實現技術比較及OAM網絡模型的分析，以MPLS OAM和SDH OAM的設計過程為參考，在PTN系統中，設計并實現了MPLS-TP OAM機制，通過將OAM軟件模塊載入現有的設備軟件中來滿足電信級網絡操作維護管理的功能。本文首先在詳細分析系統OAM功能需求的基礎上，設計了MPLS-TP OAM的總體結構，并提出了具體的實施方案，緊接著針對PTN系統的軟硬件環(huán)境配置，進行了必需的模塊化與高效性設計。然后，對具體OAM功能模塊進行了設計與實現，設計了對于OAM報文的層次功能處理模型及節(jié)點轉發(fā)機制，設計了OAM報文和普通業(yè)務報文在傳送網中的傳輸通道。本論文選取基于MPC8308方案的CPU平臺、BCM56448方案的交換芯片組成PTN設備硬件系統，并嵌入Vxworks操作系統，在Tornado軟件開發(fā)平臺上，來開發(fā)實現MPLS-TP OAM的功能。對PTN系統OAM功能采取加載獨立、可裁剪的分模塊方式設計實現，保證功能的獨立性。 最后，選取故障管理和性能檢測相關OAM功能中的典型應用通過眾和德信PTN設備驗證并附帶實驗結果及其詳細分析。實驗的結果和相關協議的標準是相符合的。結果也證明本篇論文設計的OAM模塊能夠實現對PTN設備所組網絡的管理和維護功能。本OAM模塊機制已經用于實際的PTN設備中，并且測試和運行良好。
[Abstract]:In recent years, communication technology has entered a period of rapid development, the traditional transmission network is more and more unable to meet the rapid development of business requirements, which leads to continuous innovation of transmission technology and service carrying. Under the background of "all IP environment" gradually mature, in order to meet the high-speed growth of operational Ethernet services and the resulting demand for broadband services, a variety of new optical network technologies emerge one after another. Packet transmission technology is more and more used in metropolitan area network, one of the outstanding representatives is PTN.PTN technology has become the mainstream of transmission technology, which can meet the transmission of large bandwidth services and large particle IP services. And effectively realize the organic fusion of PTN and SDH / MSTP. PTN technology is "connection-oriented packet transfer" technology, in which "connection-oriented" emphasizes that it can meet the requirements of telecommunication operation level, so it is necessary to provide OAM capabilities commensurate with traditional transport networks. In fact, the combination of improved packet transfer technology and end-to-end telecommunications-level OAM mechanism is PTN. According to the service requirement of PTN device, this paper designs and implements MPLS-TP OAM mechanism in PTN system by comparing PTN implementation technology and analyzing OAM network model, taking the design process of MPLS OAM and SDH OAM as reference, in PTN system, we design and implement MPLS-TP OAM mechanism in PTN system. The OAM software module is loaded into the existing device software to satisfy the maintenance and management function of telecom network operation. Based on the detailed analysis of OAM function requirements, this paper designs the overall structure of MPLS-TP OAM, and puts forward a specific implementation scheme. Then, the necessary modularization and high efficiency design is carried out for the hardware and software environment configuration of PTN system. Then, the specific OAM function module is designed and implemented, and the hierarchical function processing model and node forwarding mechanism for OAM message are designed, and the transmission channel between OAM message and ordinary service message in transport network is designed. In this paper, the switching chip based on MPC8308 CPU platform, BCM56448, is selected to form the PTN device hardware system, and the Vxworks operating system is embedded in the tornado software development platform to realize the function of MPLS-TP OAM. The OAM function of PTN system is designed and implemented by loading independent and tailor-made modules to ensure the independence of the function. Finally, typical applications of OAM functions related to fault management and performance detection are selected to be verified by Zhonghuexin PTN equipment with experimental results and detailed analysis. The results of the experiment are consistent with the standards of the relevant protocols. The results also show that the OAM module designed in this paper can manage and maintain the PTN devices. This OAM module mechanism has been used in practical PTN devices and has been tested and run well.
【學位授予單位】：武漢理工大學
【學位級別】：碩士
【學位授予年份】：2014
【分類號】：TP393.07

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本文編號：2103114