本文選題：IPv6 + 過渡技術(shù)�。� 參考：《中國科學(xué)院大學(xué)（工程管理與信息技術(shù)學(xué)院）》2014年碩士論文

【摘要】：隨著互聯(lián)網(wǎng)以及計算機技術(shù)的飛速發(fā)展,基于IPv4協(xié)議的網(wǎng)絡(luò)面臨的眾多問題正顯現(xiàn)出來,其中地址空間不足和網(wǎng)絡(luò)安全性問題最為嚴重。為此,國際上提出了下一代互聯(lián)網(wǎng)協(xié)議IPv6。而由IPv4向IPv6轉(zhuǎn)化不可能在短時間內(nèi)完成,因此IPv6和IPv4將在很長一段時間內(nèi)處于共存,如何使這兩種不同的協(xié)議共存成為目前亟待解決的問題。 本文圍繞某研究中心中國下一代互聯(lián)網(wǎng)(CNGI)的IPv6網(wǎng)絡(luò)過渡建設(shè),進行前期的現(xiàn)狀分析、需求分析,并提出切實可行的基于雙協(xié)議棧過渡技術(shù)的IPv6網(wǎng)絡(luò)過渡方案,并進行網(wǎng)絡(luò)過渡整體設(shè)計,同時,對IPv6協(xié)議的相關(guān)特性進行研究,在研究的基礎(chǔ)上對IPv6協(xié)議和IPv4協(xié)議進行充分的對比,指出IPv6協(xié)議中提出的許多新特性和優(yōu)點。并探討IPv4網(wǎng)絡(luò)向IPv6網(wǎng)絡(luò)過渡的技術(shù),分別對過渡中使用的雙協(xié)議棧技術(shù)、隧道技術(shù)和網(wǎng)絡(luò)地址轉(zhuǎn)換／協(xié)議轉(zhuǎn)換技術(shù)三種過渡技術(shù)進行較為深入的研究和分析,比較它們各自的優(yōu)缺點、性能及適用環(huán)境,并對三種過渡技術(shù)下的網(wǎng)絡(luò)環(huán)境進行模擬搭建和技術(shù)實現(xiàn),得出不同的網(wǎng)絡(luò)環(huán)境需要選擇不同的過渡技術(shù)的結(jié)論。重點展開對雙協(xié)議棧的研究,包括工作原理、路由算法等內(nèi)容。 在理論分析和模擬環(huán)境測試的基礎(chǔ)上,對基于雙協(xié)議棧技術(shù)的IPv6網(wǎng)絡(luò)設(shè)計進行驗證,完成研究中心CNGI的IPv6網(wǎng)絡(luò)過渡建設(shè)實施工作,進行實際測試驗證,結(jié)果證明了本次設(shè)計的正確性和有效性。通過此次網(wǎng)絡(luò)過渡實施,完成了基于雙協(xié)議棧技術(shù)的IPv6網(wǎng)絡(luò)接入,實現(xiàn)了預(yù)期的設(shè)計目標。
[Abstract]:With the rapid development of the Internet and computer technology, many problems facing the network based on IPv4 protocol are emerging, among which the insufficient address space and the network security are the most serious problems. Therefore, the next generation Internet protocol IPv6 is proposed internationally. However, the transformation from IPv4 to IPv6 can not be completed in a short time, so IPv6 and IPv4 will coexist for a long time. How to make these two different protocols coexist becomes an urgent problem. This paper focuses on the construction of the IPv6 network transition in a research center China next Generation Internet (CNGI), analyzes the current situation, needs and proposes a feasible IPv6 network transition scheme based on the dual-protocol stack transition technology. At the same time, the related characteristics of IPv6 protocol are studied. On the basis of the research, the comparison between IPv6 protocol and IPv4 protocol is made, and many new features and advantages of IPv6 protocol are pointed out. The technology of transition from IPv4 network to IPv6 network is discussed. Three transition technologies, namely, dual-protocol stack technology, tunnel technology and network address translation / protocol translation technology, are studied and analyzed. By comparing their advantages and disadvantages, performance and applicable environment, and simulating the network environment under the three transition technologies, the conclusion is drawn that different network environments need to choose different transition technologies. This paper focuses on the research of dual protocol stack, including working principle, routing algorithm and so on. On the basis of theoretical analysis and simulation environment testing, the design of IPv6 network based on dual-protocol stack technology is verified, and the transition construction of IPv6 network of CNGI research center is completed, and the actual test verification is carried out. The results show that the design is correct and effective. Through the implementation of this network transition, the IPv6 network access based on dual protocol stack technology is completed, and the expected design goal is achieved.
【學(xué)位授予單位】：中國科學(xué)院大學(xué)（工程管理與信息技術(shù)學(xué)院）
【學(xué)位級別】：碩士
【學(xué)位授予年份】：2014
【分類號】：TP393.04

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