What is IPv6?

• A new version of IP

• • IPv4 is the current IP

• Main feature is a much, much larger address space

• • 128 bits vs. 32

• But also native support for

• • Autoconfiguration, optimized Mobile IP, IPsec, anycast
  • Most of these features are in IPv4 as well, but they were designed into IPv6 instead of retro-fit

• Cleaner design

• • Faster forwarding and better header compression