The Application Research Of TPv6 Technology In The Modern Network

The Internet after decades of rapid development, to today's world has brought great changes, also for future development of society has far-reaching influence. As the most important in the computer network protocol has development IPv4 is mature, but with the size and demand of the network expands ceaselessly, based on the computer network protocol IPv4 in practical application exposes more insufficient, in order to solve these problems, IPv6 agreement is made. The Internet in the development of our country has nearly 10 years, large scale of network, the network structure is complex, want to upgrade to a network from IPv4 IPv6 isn't very simple things. But we are facing the IP address of the problem has been increasingly depleted resources is serious, the influence of the sustainable development of the Internet, the communication network in China, but already lead in size but far more quality of communication network in developed countries, the updated version, as IPv4 IPv6 protocol overcomes the shortcomings in the next generation, IPv4 network brought forward many effective improvement in address pools, quality of service, safety and mobility has obvious advantages, but IPv4 and IPv6 agreement in the head and address allocation mechanism differences between decided not fully compatible. How is the current IPv6 smooth transition to the problem to be solved.This paper expounds the status and network protocol IPv4 IPv6 features and advantages of the agreement, and introduces the method and header address identifier, and the two agreements are analyzed, Then studied the three common IPv6 transition transition technology:double protocol stack technology, tunnel, NAT technology, the technical PT-given current network characteristic of network IPv6 IPv4 and compatibility. Based on the principle of programming interface experiment Socket, testing the tunnel under the technical scheme IPsec UDP communication, realizing the agreement under normal IPv6 network communication. Because of its many advantages, IPv6 application prospect is very wide, especially for mobile networks, network security and strong support, decided to replace backward IPv4 IPv6 will continue to push the Internet protocol network development.