基于6RD技术的IPv6网络接入系统的设计与实现

发布时间：2018-04-12 23:28

  本文选题：6RD + NDIS　； 参考：《北京邮电大学》2014年硕士论文

【摘要】：以IPv4协议为核心的互联网得到了飞速的发展,互联网中的应用与站点的数量有着爆发式的增长,随之而来的IPv4地址匮乏问题变得日益显著,网络中路由器的路由表项也越来越冗长。为了应对上述日益凸显的问题,保证互联网日后的继续发展,国际标准化组织IETF为此制定了下一代互联网协议,即IPv6协议。新制定的IPv6协议在安全性、路由器数据包转发效率、配置简易性和移动性管理方面相对于原有的IPv4协议都有了长足的进步。于此同时,由于在设计阶段IPv6协议考虑解决的问题与特性和IPv4协议设计时存在的区别,导致这两个网络层协议之间互不兼容。可以预见在未来的一段时间内,由现有的以IPv4协议为核心的网络向IPv6网络过渡将是一个漫长演变的过程,而在这个过程中IPv4与IPv6网络的转换与互通成为一个关键的问题。 考虑到过渡技术对于IPv6网络发展的重要性,针对过渡技术的研究也相对较多,按照其工作方式主要可以分为以下三类：双协议栈类型、翻译类型与隧道类型。本课题中采用的6RD技术是一种隧道类型的过渡技术。6RD技术拥有配置简单、过渡成本低、兼容性好等优势,并且在Linux系统中已经有成熟的实现,同时也在多数厂商的网络设备中得到支持,所以本课题的IPv6接入系统采用此技术。本文的研究基于6RD技术,设计实现了一种拥有用户管理与系统负载均衡功能的IPv6接入系统。论文的主要工作如下： (1)研究6RD技术相关的RFC标准文档,调研分析Linux系统中6RD技术的实现原理。 (2)深入学习了Windows平台NDIS网络驱动编程框架,并利用其中间层驱动设计实现了Windows平台的6RD技术。 (3)设计并实现了用户管理与系统负载均衡功能,对原有的6RD技术在功能上做了补充,使其更加贴近实用部署环境。 (4)完成课题设计系统,部署测试环境并完成系统功能测试。 目前6RD技术在Windows平台上没有相应的实现,并且6RD技术本身不涉及用户控制与负载均衡,本课题设计的系统解决了这一问题,对于加速IPv6过渡有着重要的意义。
[Abstract]:The IPv4 protocol as the core of the Internet has been rapid development, the number of applications and sites in the Internet has explosive growth, followed by the lack of IPv4 addresses become increasingly prominent.Router routing table entries in the network are becoming more and more verbose.In order to deal with the above problems and ensure the future development of the Internet, the International Organization for Standardization (IETF) has formulated the next generation of Internet protocols, namely, the IPv6 protocol.The new IPv6 protocol has made great progress compared with the original IPv4 protocol in terms of security, router packet forwarding efficiency, configuration simplicity and mobility management.At the same time, due to the problems and characteristics of IPv6 protocol considered in the design phase and the differences in the design of IPv4 protocol, the two network layer protocols are incompatible.It can be predicted that the transition from the existing network based on IPv4 protocol to that of IPv6 network will be a long evolutionary process in the future. In this process, the conversion and interworking between IPv4 and IPv6 network becomes a key problem.Considering the importance of transition technology to the development of IPv6 network, there are more researches on transition technology, which can be divided into the following three types according to its working mode: double protocol stack type, translation type and tunnel type.The 6RD technology used in this thesis is a tunnel type transition technology. 6RD has the advantages of simple configuration, low transition cost, good compatibility, and has been realized in Linux system.At the same time, it is also supported in the network equipment of most manufacturers, so this technology is used in the IPv6 access system of this topic.Based on 6RD technology, this paper designs and implements a IPv6 access system with the functions of user management and system load balancing.The main work of the thesis is as follows:1) study the RFC standard documents related to 6RD technology, and analyze the implementation principle of 6RD technology in Linux system.In this paper, the NDIS network driver programming framework of Windows platform is studied, and the 6RD technology of Windows platform is realized by using the middle layer driver design.The functions of user management and system load balancing are designed and implemented. The functions of the original 6RD technology are added to make it more close to the practical deployment environment.4) complete the project design system, deploy the test environment and complete the system function test.At present, there is no corresponding implementation of 6RD technology on Windows platform, and 6RD technology itself does not involve user control and load balancing. The system designed in this paper solves this problem and has important significance for accelerating the transition of IPv6.
【学位授予单位】：北京邮电大学
【学位级别】：硕士
【学位授予年份】：2014
【分类号】：TP393.04

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