IVe IPv6 Protocol Latest Developments Robert m hinden Chief Internet Technologist Nokia 1 NOKIA 2003 "IPv6 Protocol-Latest Developments"/28 March 2003/R Hinden N口KA
1 © NOKIA 2003 “IPv6 Protocol - Latest Developments” / 28 March 2003 / R. Hinden IPv6 Protocol Latest Developments Robert M. Hinden Chief Internet Technologist Nokia
IVe HE INTERNET MODEL End-to-End Communication Applications Intelligence in Hosts Simple/ Fast forwarding in Routers Transport All Services run over iP P IP runs over Everything Internet's success based on Link and Simple Powerful Architecture Easy to deploy new Applications Physical layer Technology Evolution 2 @NOKIA 2003"IPv6 Protocol-Latest Developments"/28 March 2003/R Hinden N口KA
2 © NOKIA 2003 “IPv6 Protocol - Latest Developments” / 28 March 2003 / R. Hinden THE INTERNET MODEL Transport Applications Link and Physical Layer • End-to-End Communication • Intelligence in Hosts • Simple / Fast forwarding in Routers • All Services run over IP • IP runs over Everything • Internet’s Success based on • Simple Powerful Architecture • Easy to deploy new Applications • Technology Evolution IP
A VIEW OF (FY B INTERNET HISTORY 1970’s Arpanet /Internet Technology Invented 1980s Research/Non-Commercial Internet Service 1990’s The Web and the Internet Everywhere 2000’s The Wireless Internet 3 @ NOKIA 2003"Pv6 Protocol-Latest Developments"/28 March 2003/R Hinden N口KA
3 © NOKIA 2003 “IPv6 Protocol - Latest Developments” / 28 March 2003 / R. Hinden A VIEW OF INTERNET HISTORY • 1970’s • Arpanet / Internet Technology Invented • 1980’s • Research / Non-Commercial Internet Service • 1990’s • The Web and the Internet Everywhere • 2000’s • The Wireless Internet
IVe THE NEED FOR IPV6 The Internet has been a great success Success creates problems IPv4 is running out of global IP Addresses Addresses are currently being rationed Network Address Translation(NAT)has extended the life of ipya, but Breaks Internet End-to-End model Inhibits new applications Barrier to mobile p communication Mobile phones without phone numbers? 4 @NOKIA 2003"IPv6 Protocol- Latest Developments"/28 March 2003/R Hinden N口KA
4 © NOKIA 2003 “IPv6 Protocol - Latest Developments” / 28 March 2003 / R. Hinden THE NEED FOR IPv6 • The Internet has been a great Success! • Success creates problems • IPv4 is running out of Global IP Addresses • Addresses are currently being rationed • Network Address Translation (NAT) has extended the life of IPv4, but: • Breaks Internet End-to-End model • Inhibits new applications • Barrier to mobile IP communication Mobile Phones without phone numbers?
NETWORK ADDRESS IVe TRANSLATION Users Services Private IPv4 Public ipv4 Addressing NAT Internet Users Services 5 NOKIA 2003 "IPv6 Protocol-Latest Developments"/28 March 2003/R Hinden N口KA
5 © NOKIA 2003 “IPv6 Protocol - Latest Developments” / 28 March 2003 / R. Hinden IPv4 NETWORK ADDRESS TRANSLATION Public IPv4 Internet Users Services Users Services NAT Private IPv4 Addressing