IPv6 addressing within a network has a few major differences from IPv4. Security also gets a potential boost in IPv6 with IPSec, which was initially built for IPv6 and then retrofitted for IPv4.ĭealing with IPv6 includes familiarizing yourself with two important IP concepts: DHCP and DNS. IPv6 also includes performance enhancements like refined multicasting, stateless address autoconfiguration (SLAAC), simplified headers to streamline router processing, and the option to allow larger packets. IPv6, on the other hand, can yield roughly 3.4×10 38, which should be ample for a very long time. It can provide somewhere south of 4,294,967,296 unique addresses. With more and more device types requiring network connectivity, the demand for addresses in an IPv4-based network is at a premium. As IP technology has matured, the range of devices that the internet protocol supports goes well beyond computers to include cell phones, entertainment systems, and Internet of Things (IoT) devices, which created the need for more IP addresses and the development of IPv6 to provide them.
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