Next generation Internet Protocol (IPv6) concepts and principles-IPv6-network broadcasting industry


Article by hi joiney


Abstract: IPv6 is the next generation Internet core protocols used. This article describes the background of IPv6 technology, new features, the address space, the address format, address representation, address type, address range, IPv4 to IPv6 transition techniques, and specific applications in the Ministry of Land Resources. Keywords: IPv6 stateless address routing protocol stack technology with dual-tunnel technology 1IPv6 against the background of the birth of Internet Protocol version 4 (IPv4) for the TCR / IP family and the Internet provides the basic Communicate Mechanism. IP technology has been widely used in more than 10 years, the impact of the Internet has penetrated into all aspects of society, while the Internet has become a national development and modernization of an important part of building and generate significant economic and social benefits. With the Internet's exponential growth of the Internet core network architecture evolved from the NSFNET grounds ISP (InternetService, Provider Internet Provider) operating the decentralized architecture. Present a serious problem facing the Internet address of consumption is serious, that is not enough addresses to meet global needs. IPv4's problems have gradually revealed, 32-bit IP address space exhaustion, rapid expansion of the routing table, routing efficiency is not high, the network security and multimedia application support is not enough, configuration complexity, poor support for mobility, it is difficult to carry out end to the other side of the business, which has become a major obstacle to restrict development of the Internet, while the IETF developed the next generation IPv6 network completely, effectively solves the above problems exist in IPv4. 2IPv6 new features (1) huge address space IPv6 source address and destination addresses are 128 bits (16 bytes), providing virtually unlimited IP addresses. 128 can be expressed 3.4 1038 possible combinations, that the Earth can be assigned per square meter area of 6.65

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