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目前NAT64/DNS64已成为IPv6重要过渡技术。在实际项目实践过程我们发现,当IPv6用户访问IPv4资源时,如果某些应用层协议含有IPv4地址,将导致应用层业务无法正常工作。针对该问题本文提出一种基于代理的优化方法,通过中间代理服务器进行应用层地址翻译,实现了应用层业务的正常访问。基于真实实验环境对方案进行验证。实验结果表明,该优化方案能够有效解决原有NAT64/DNS64中应用层业务无法正常访问的问题。
Currently NAT64 / DNS64 has become an important transitional IPv6 technology. In actual project practice, we found that when IPv6 users access IPv4 resources, if some application layer protocols contain IPv4 addresses, the application layer services will not work normally. To solve this problem, this paper proposes a proxy-based optimization method, which translates the application layer address through the intermediate proxy server to achieve the normal access to the application layer services. Based on the real experimental environment to verify the program. The experimental results show that this optimization scheme can effectively solve the problem that the original application layer service in NAT64 / DNS64 can not be accessed normally.