IPv6
- 128 bits
- Written as eight blocks of hexadecimal numbers
- Last four blocks identify the interface
- First four blocks identify the network
- Serve as the network prefix
- Also called site prefix or global routing prefix
- Serve as the network prefix
- Fourth block in the site prefix can be altered to create subnets
Subnets
- Subnetting is simpler than IPv4
- Classes not used
- Subnet masks are not used
- Subnetting helps admins manage the enormous volume of IPv6 addresses