2024
MerionAcademy - How NAT Saved Inet ru of 11:41
    https://www.youtube.com/watch?v=LqkIJc0rEfs
    ! 3:30 - NAT translates local address to a global one
    ! Router has a pool of global addresses
    ! Static and Dynamic NAT
    ! PAT - port-address translation (can translate multiple local addresses (port) to a single global one)