The packet header in IPv6 is easier than the IPv4 header. Quite a few not often used fields are moved to optional header extensions. The IPv6 packet header has simplified the process of packet forwarding by routers. Even though IPv6 packet headers are at least twice the dimensions of IPv4 https://kyleriamhr.topbloghub.com/32305529/a-simple-key-for-what-is-my-ip-unveiled