Here on the Internet, we’ve been using the IPv4 network protocol for quite a while. Its successor, IPv6, is waiting patiently in the wings, but it’s a hard leap to make. IPv4 addresses look like 192.168.50.66. IPv6 addresses are longer: 2001:0f68:0000:0000:0000:0000:1986:69af. IPv4 only provides 232 possible addresses, which we’re plowing through rapidly; IPv6 provides 2128, [...]





