1 IPv6 Development in China Xing Li 2 Outline l A brief history l Experience l CNGI project l CERNET2 design 3 Telephone Users 4 Internet population l Globalrank655M% l US1 l CN259.10M4.6% 5 China Internet Estimation l Population in mainland China 1,200,000,000 1 IP per person l 72 class A IP addresses 1 hour on line (28.8kbps) per person per day l 1.68T/s 1 MB homepage per person l 1200TB 6 China IPv6 Efforts l 1998, CERNET-IPv6 Testbed l 1999, IPv6 demo system funded by MST 863 l 1999, CERNET-Nokia joint IPv6 project l 2000, NSFCNET funded by NSFC l 2001, IPv6 Router funded by MST 863 l 2001, IPv6 MAN demo system funded by CAS l 2002 6TNET by MII l 2002, IPv6-CJ funded by Chinese government and Japanese government started l 2003, CNGI project l 2004, CERNET2 7 CERNET IPv6 Testbed 8 CNGI Structure Basic Research Services Applications H/S Industry Engineering Key Technology R&D Test and Demonstration Testbed 9 CNGI Backbone CPN 1 2 n MAN Global IPv6 MAN GigaPoP 6IX CPN 10 CNGI Backbone Members Member CERNET CHINA TELECOM CHINA UNICOM CNC CST CHINA mobile CHINA RAILCOM sum Pops 11 CERNET IP Backbone 12 CERNET2 plan 10G 2.5G l 10 Gbps to 5 cities, 2.5Gbps to 20 cities 13 IPv6 Challenges l Scalability Routing l Functionality High performance Mobility Multicast Security l Service Smart Device World Charging Model l Transition 14 CERNET and CERNET2 Comparison 15 IPv6 BGP Analysis 16 IPv6 Video 17 IPv6 Search Engine 18 Q&A