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I pv6 better than IPv4 but why ?

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  • 1. IPv6 Why it is a better protocol than IPv4?
  • 2. IPv6 Designed for the Internet of today IPv4 was designed for a private networks in the late 70s
  • 3. 128 bit Addresses! This a huge number! No chance to exhaust it Enough to address each atom of Earth and do 4 more Earth Fred Bovy fred@fredbovy.com
  • 4. Plug and Play No more configuration on the end nodes. IPv6 is plug-and-play Configuration is performed on routers and servers
  • 5. Safer Internet today is fully opened to hackers who are the Internet Owners. They can get through any firewall and do whatever they want! If the Network Designers follow the IETF recommendations most end nodes SHOULD run IPSec IPSec was initially designed for IPv6
  • 6. No More NAT needed! Peer-to-Peer which was a key driver for the migration to TCP/IP in the 80s was killed by NAT. It is not more insecure without NAT if you implement Statefull Firewall at the Edge of your Network and only allow IPSec traffic to get in! Anyway you will also need to implement Host based firewalls on each system talking to the Internet
  • 7. Text IPv6 header is Simpler and more Powerfull Some fields have been removed from the basic header and/or replaced by an Extension header
  • 8. IPv6 is Simpler & Powerfull No more need for an IPv6 header Checksum as link are more and more reliable and datalink provides a CRC Checking. The Option fields have been replaced by a daisy chain of Extension headers. It gives flexibility as new application can create new Extensions Headers
  • 9. IPv6 Mobility You login in the morning from home and while you are roaming, you never have to reconnect your applications. ! Remote Application see you at home all the time
  • 10. Installed as the default protocol on most platforms Linux, Windows and MAC OS for the workstations, HP and other for the printers and so on…
  • 11. Fred Bovy fred@fredbovy.com