I touched on the IPv6 addressing scheme a few weeks ago before and I wanted to continue the trend into a few more IPv6 related posts but that last IPS post spiked my interest, so I had to publish that one. Now we know the addressing scheme is different in IPv6 but what about the packet format? Obviously the packet headers will be larger because the source and destination addresses within that header are now 128 bits but let's see what else we have in the IPv6 header: