1. IPv6, the Protocol of the Future, Today Mathew Harris

2. IPv6 Part of TCP/IP Part of TCP/IP Current version IPv4 Current version IPv4 32 bit addressing 32 bit addressing 4 Octets 4 Octets Established in 1996 by IETF Established in 1996 by IETF 128 bit addressing 128 bit addressing 8 groups of 4 hexadecimal #s 8 groups of 4 hexadecimal #s Different IP header Different IP header

3. IP Headers

4. IPv6 Benefits More addresses More addresses Hierarchical routing Hierarchical routing Fewer field in the header Fewer field in the header Supports IPSec Supports IPSec

5. IPv6 Implementation Clients Clients Only select Operating Systems Only select Operating Systems Servers Servers DNS DNS AAAA records AAAA records WINS WINS DHCP DHCP Network Gear Network Gear

6. IPv4 to IPv6

7. Transition Mechanism Dual Stacks Dual Stacks All nodes able to resolve IPv4 and IPv6 addresses All nodes able to resolve IPv4 and IPv6 addresses Tunneling Tunneling Encapsulate IPv6 inside IPv4 packet Encapsulate IPv6 inside IPv4 packet Encapsulate IPv4 inside IPv6 packet Encapsulate IPv4 inside IPv6 packet NAT NAT Private network Private network

8. Future of IPv6 Already deployed in Japan & Korea Already deployed in Japan & Korea France next France next USA last USA last Most work Most work 66.9% of all registered IPv4 addresses 66.9% of all registered IPv4 addresses