铁路12306互联网售票系统IPv6演进的方案研究  

IPv6 evolution scheme of railway 12306 Internet ticketing and reservation system

作　　者：李琪 刘相坤 徐东平 刘彦麟 韩梦源 LI Qi;LIU Xiangkun;XU Dongping;LIU Yanlin;HAN Mengyuan(Institute of Computing Technologies,China Academy of Railway Sciences Corporation Limited,Beijing 100081,China)

机构地区：[1]中国铁道科学研究院集团有限公司电子计算技术研究所

出　　处：《铁路计算机应用》2019年第8期26-30,共5页Railway Computer Application

基　　金：中国铁道科学研究院集团有限公司基金课题(2017YJ104)

摘　　要：为解决铁路12306互联网售票系统从IPv4到IPv6的过渡问题,基于系统的网络和应用现状,研究并提出了铁路12306互联网售票系统IPv6的演进方案。分析国家针对IPv6的演进标准和计划,从双栈技术、隧道技术和地址转换技术在IPv6演进中的使用特点入手,提出了适合12306系统的主体部署双栈和地址转换补充的技术方案,并详细阐述了系统演进的改造内容、实施步骤和关键问题。该方案具有渐进演化和节省投资的效果。In order to solve the transition problem of railway 12306 Internet ticketing and reservation system from IPv4 to IPv6,based on the network and application status of the system,this article studied and put forward the evolution scheme of railway 12306 Internet ticketing and reservation system IPv6.Based on the analysis of the national standards and plans for IPv6 evolution,starting with the characteristics of dual-stack technology,tunnel technology and address translation technology in IPv6 evolution,the article presented a technical scheme for the deployment of dual stacks and NAT address translation supplement for 12306 system,and elaborated on the transformation content,implementation steps and key issues of system evolution.The scheme has the effect of gradual evolution and investment saving.

关 键 词：12306h互联网售票系统 IPV6 IPv4演进 双栈 

分 类 号：U293.22[交通运输工程—交通运输规划与管理] TP39[交通运输工程—道路与铁道工程]