IPv6, the Protocol of the Future, Today

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IPv6, the Protocol of the Future, Today

• Mathew Harris

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IPv6

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

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IP Headers
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IPv6 Benefits

• More addresses
• Hierarchical routing
• Fewer field in the header
• Supports IPSec

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IPv6 Implementation

• Clients
• Only select Operating Systems
• Servers
• DNS
• AAAA records
• WINS
• DHCP
• Network Gear

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IPv4 to IPv6
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Transition Mechanism

• Dual Stacks
• All nodes able to resolve IPv4 and IPv6 addresses
• Tunneling
• Encapsulate IPv6 inside IPv4 packet
• Encapsulate IPv4 inside IPv6 packet
• NAT
• Private network

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Future of IPv6

• Already deployed in Japan Korea
• France next
• USA last
• Most work
• 66.9 of all registered IPv4 addresses