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一种基于前缀置换的域间路由方法

发表时间:2013-08-31  浏览量:1005  下载量:302
全部作者: 张威
作者单位: 国防信息学院信息指挥系
摘 要: 针对IPv6海量地址空间和大规模路由系统所面临的路由可扩展性问题,提出一种增强互联网域间路由聚合能力的方法。该方法利用IPv6网络地址空间资源优势,将域间路由使用的地址空间与域内用户分配的地址空间隔离,网络中各自治系统通过维护这2个地址空间进行有效的映射,并在路由和分组转发过程中实现网络地址前缀的替换。通过对域间地址空间使用可聚合前缀,可有效提高全网的路由聚合效率,解决大规模网络中因边界网关协议(border gateway protocol, BGP)路由表膨胀而导致的路由可扩展性问题,实现对域间路由的压缩。此外,对该方法进行了理论分析和评价。
关 键 词: 计算机网络;路由;边界网关协议;IPv6;可扩展性
Title: An inter-domain routing method based on prefix substitution
Author: ZHANG Wei
Organization: Department of Information Commanding, PLA Academy of National Defense Information
Abstract: Aiming at the massive address space of IPv6 and the tangible routing scalability problem in a large scale routing system, this paper proposed a method to enhance the route aggregation capacity of the Inter-domain routing of the Internet. This method took advantages of the abundance of the IPv6 address space, and separated the inter-domain-routing-used address space from the customer's provider independent addresses. Autonomous systems should maintain a mapping between these two address spaces, and implement prefixes substitution in the routing and packet forwarding processes. By applying provider aggregateable prefixes for the inter-domain routing, this method suppressed the route table and enhanced the routing scalability of the IPv6 networks, which would relieve the potential routing scalability problem caused by the inflation of the border gateway protocol (BGP) route table. This paper also gave a theoretical analysis on evaluating the proposed method.
Key words: computer network; routing; border gateway protocol; IPv6; scalability
发表期数: 2013年8月第16期
引用格式: 张威. 一种基于前缀置换的域间路由方法[J]. 中国科技论文在线精品论文,2013,6(16):1481-1486.
 
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