IPv6 stands for Internet Protocol version 6. It is the following version of the Internet Protocol to be used commonly crosswise the virtual planet, with the initially version being IPv4. IPv4 is subdue the protocol of scale for most of the Internet, but, the transition to IPv6 is steadily underway. IPv4 32-bit addresses, due to the advance of the Internet, have become a scarce and valuable commodity. Organizations have gone to fantastic lengths to deal with the famine and high cost of IPv4 addresses. IPv6 is the prospect of Internet addressing, because IPv4 is accurate to running out of void addresses space. With less than a year’s value of Internet addresses left, as industry professionals predicted in July 2010, the call for the technology industry to go quicker to take on enter the next-age group Internet protocol is on the rise louder.
The differences between IPv6 and IPv4 are in five foremost areas: addressing and routing, wellbeing, arrangement address translation, administrative workload, and help for mobile devices. One of the main differences in IPv6, is in the digit of addresses void for networked devices. For develop, each mobile phone or additional kind of electronic contrivance can have its own IPv6 address. The most noticeable change in IPv6 is that addresses helium balloon from 32-bits to 128-bits, develop: 3ffe:1900:4545:3:200:f8ff:fe21:67cf. IPv4 addresses have 32 bits in them and so allocate a maximum of four billion addresses, even as IPv6 addresses have 128 bits. With such a huge address space, ISPs will have sufficient IP addresses to allocate enough addresses to each consumer, so that each IP contrivance/website has a truly only one of its kind address—whether it’s behind a firewall or not.