The packet header in IPv6 is simpler than the IPv4 header. Numerous almost never applied fields are already moved to optional header extensions. The IPv6 packet header has simplified the entire process of packet forwarding by routers. Whilst IPv6 packet headers are at least two times the size of IPv4 https://finncnxir.blogmazing.com/25948547/not-known-factual-statements-about-whatsmyipv6