#IPv4 Protocol
- 32-bit address → 4,294,967,296 addresses.
- 123.123.123.12
#Address Exhaustion
#Reserved IP Addresses
#IPv6
- Not only the packet structure.
- IPv6 standardizes other needs like security (TLS → ipsec) or autoconfiguration (DHCP → SLAAC)
#Subnetting
Internet History