It is not a new standard, but one that has been largely ignored in recent years due to still having so many IPv4 addresses left. If you add an option -I your-global-ipv6, link-local hosts will respond with their link-global scope addresses. IPv6 has been developed based on the rich experience we have from developing and using IPv4. Instead, migration will be (and is) a slow and long-lasting process, where IPv4 and IPv6 will be present together for some time. That time is … What is IPv6? A new generation of protocols has been developed called Internet Protocol version 6 (IPv6). In order to connect devices over the Internet, each device must have an Internet protocol (IP) address. IPv6 is the solution to the IP address problem. Internet Protocol Version 6: IPv6 for Consumers. The first and easiest technique is known as Dual-Stack. As we know, every networking device must have an IP address to access the Internet. The length of the IPv6 address is 128 bits. Two mechanisms have been developed to support this transition, called dual stack, and configured tunneling. Low start-up costs: little or no preparation work is needed in order to upgrade existing IPv4 systems to IPv6 or to deploy new IPv6 systems. It is expected that IPv6 will gradually replace IPv4 within the following years, with the two protocols coexisting for many years during a transition period. A number of transition and coexistence mechanisms have been developed and are constantly improved in order to make the transition a smooth one. This page has been archived and is no longer actively maintained by the FCC. These mechanisms are detailed in RFC 4213, Basic Transition Mechanisms for IPv6 Hosts and Routers. The IPv4 address space has been exhausted because many wireless and network-attached devices are joining the Internet rapidly on a daily basis. A new AAAA (quad-A) record has been added to reply IPv6 query messages. DNS: There has been no new version of DNS but it is now equipped with extensions to provide support for querying IPv6 addresses. Summary. IPv4 uses 32-bit addresses. It has been said that IPv6 supports improved security because the IP Security (IPsec) was originally developed for IPv6 and it implementation was intended to be a mandatory part of the protocol. technical and economic stop-gap measures have been developed in an attempt to extend the usable life time of1Pv4, but all of these measures add cost and complexity to network So in order to keep the Internet or any other global network running even in the future, we needed an IP addressing system that is capable of connecting a lot more devices at the same time over the same network like the Internet. IPv6 was introduced in 1998 but adopted as the Internet standard in 2017. IPv4 is now approximately 20 years old and beginning to exhibit problems. To facilitate that, several techniques have been developed to support the migration and interoperation of these two versions of the Internet Protocol. Explosive growth in network device diversity and mobile communications, along with global adoption of networking technologies, new services, and social networks, are overwhelming IPv4 and have driven the development of a next-generation Internet Protocol. Now DNS can reply with both IP versions (4 & 6) without any change in query format. Therefore IPv6 is developed to create more unique IP … The most significant issue surrounding IPv4 is the growing shortage of IPv4 addresses, which are needed by all machines attached to the Internet. The current IP system is Version 4 (IPv4), which makes available over four billion IP addresses. 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