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 主干网 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 北京 郑州 西安 武汉合肥上海 杭州 广州 成都 沈阳 天津 重庆 济南 厦门 大连 长春 哈尔滨 长沙 南京 兰州 10G 2.5G 用户接入网 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