Addressing
Still got to talk to the IPv4 Internet however
- Dual-stack hosts
- Overhead of two-stack approach may eliminate it for the phone but still possible for server
- NAT
- Assume 4000:1 NAT ratio (Cisco)
- Application gateways
- Proxies with IPv6 and IPv4 interfaces
- Standard migration methods
- Automatic tunnelling
- 6 to 4