本文選題：IEEE + 802.1ag協(xié)議��； 參考：《南京郵電大學》2017年碩士論文

【摘要】：近年來,隨著云計算和數(shù)據(jù)中心的快速發(fā)展,以太網(wǎng)技術(shù)在電信行業(yè)的應用越來越廣泛,并逐步向城域網(wǎng)和廣域網(wǎng)方面拓展。但以太網(wǎng)最初是為局域網(wǎng)開發(fā)的,并沒有建立有效的管理和維護機制。為了實現(xiàn)對網(wǎng)絡(luò)鏈路狀態(tài)和服務(wù)性能更好的檢測與監(jiān)控,本文基于某通信公司開發(fā)項目“福建郵政廣域網(wǎng)的需求—Y.1731支持持續(xù)性檢測”及其軟件開發(fā)平臺,通過研究現(xiàn)有的連通錯誤檢測協(xié)議,完成了對以太網(wǎng)鏈路更好的檢測與監(jiān)控。增加對網(wǎng)絡(luò)服務(wù)性能的持續(xù)性檢測;設(shè)計CFD聯(lián)動功能;實現(xiàn)對小流量鏈路的檢測與監(jiān)控,主要工作如下:(1)分析了IEEE 802.1ag協(xié)議和Y.1731協(xié)議中規(guī)定的OAM機制,提出連通錯誤檢測。對比幾種常用的網(wǎng)絡(luò)鏈路檢測方法,得出CFD的高可用性。并對CFD進行了深入的研究和詳細的介紹。(2)對CFD協(xié)議中定義的網(wǎng)絡(luò)鏈路檢測功能提出三點優(yōu)化:一是增加持續(xù)性檢測,實現(xiàn)對鏈路服務(wù)性能連續(xù)不間斷的檢測;二是設(shè)計CFD聯(lián)動,使得可以通過改變端口狀態(tài)來實現(xiàn)對鏈路的自動化管理;三是通過三層子接口對連通錯誤檢測的支持實現(xiàn)對小流量鏈路的檢測,擴展了CFD的應用環(huán)境。對優(yōu)化功能的需求進行詳細分析,提出設(shè)計方案并進行選擇,同時介紹實現(xiàn)過程,對優(yōu)化前后進行對比。(3)通過主機和設(shè)備搭建連通錯誤檢測的測試環(huán)境,使用VTP應用軟件對文章中提出的優(yōu)化功能進行驗證,并對驗證結(jié)果進行分析。驗證結(jié)果表明,連通錯誤檢測已經(jīng)實現(xiàn)對網(wǎng)絡(luò)鏈路服務(wù)性能的持續(xù)性檢測、并且能夠根據(jù)檢測結(jié)果來改變端口狀態(tài)以及支持小流量鏈路的檢測。目前連通錯誤檢測的優(yōu)化功能已在主流通信公司的路由器設(shè)備上應用。
[Abstract]:In recent years, with the rapid development of cloud computing and data center, Ethernet technology is more and more widely used in telecom industry, and gradually expand to metropolitan area network and wide area network. However, Ethernet was originally developed for LAN, and no effective management and maintenance mechanism was established. In order to detect and monitor the network link status and service performance better, based on a communication company development project "Fujian Postal wide area Network (WAN) needs -Y.1731 to support continuous detection" and its software development platform, By studying the existing protocol of connected error detection, the Ethernet link is detected and monitored better. The main work of this paper is as follows: (1) the 802.1ag protocol and Y. 1731 protocol are analyzed, and the connected error detection is proposed. The high availability of CFD is obtained by comparing several commonly used network link detection methods. And the CFD is deeply studied and introduced in detail. (2) the network link detection function defined in CFD protocol is optimized in three aspects: first, increasing continuous detection to realize continuous detection of link service performance; second, designing CFD linkage, The automatic management of the link can be realized by changing the state of the port. Thirdly, the application environment of CFD is extended by the support of the three-layer sub-interface for the connected error detection. The requirement of optimization function is analyzed in detail, the design scheme is put forward and selected, and the realization process is introduced. (3) the test environment of connecting error detection is built through host and equipment. The optimization function proposed in this paper is verified by using VTP application software, and the verification results are analyzed. The verification results show that the connected error detection has realized the continuous detection of the network link service performance, and can change the port state and support the detection of the small traffic link according to the detection results. At present, the optimization function of connection error detection has been applied to the router devices of mainstream communication companies.
【學位授予單位】：南京郵電大學
【學位級別】：碩士
【學位授予年份】：2017
【分類號】：TP393.0

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