Other Benefits of IPv6

server-less plug-and-play possible
end-to-end, IP-layer authentication & encryption possible
elimination of “triangle routing” for mobile IP
other minor improvements
NON-benefits:
quality of service (same features as IPv4)
routing (same routing protocols as IPv4)
- except larger address allows more levels of hierarchy
  - except customer multihoming is defeating hierarchy

server-less plug-and-play possible