A “The name is the recipe” address if ever there was one, packets sent to a link-local address never leave the local link. I mean that a router will not forward them. They can’t forward them actually so these packets that go to a linked local address they literally can not leave, since a router

The 128-bit addresses used in IPV6 give us a tremendous number of addresses (since we were running out of routable addresses) and is designed specifically with route summarization in mind. Quick note about route summarization : You that you can take certain routes (maybe eight routes), write them in binary (because that’s what always comes

You’ll often hear port address translation referred to as ‘overloading’. We are overloading a single routable address. PAT allows the private IP addresses of inside hosts ( note that we are talking about multiple hosts) to be translated to a single routable address. So we only need one address instead of multiples and even better