1. 1 IPv6 Development in China Xing Li 2004-06-09

2. 2 Outline l A brief history l Experience l CNGI project l CERNET2 design

3. 3 Telephone Users

4. 4 Internet population l Globalrank655M% l US1 l CN259.10M4.6%

5. 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. 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. 7 CERNET IPv6 Testbed

8. 8 CNGI Structure Basic Research Services Applications H/S Industry Engineering Key Technology R&D Test and Demonstration Testbed

9. 9 CNGI Backbone CPN 主干网 1 2 n MAN Global IPv6 MAN GigaPoP 6IX CPN

10. 10 CNGI Backbone Members Member CERNET CHINA TELECOM CHINA UNICOM CNC － CST CHINA mobile CHINA RAILCOM sum Pops 12 7 7 7 4 1 38

11. 11 CERNET IP Backbone

12. 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. 13 IPv6 Challenges l Scalability –Routing l Functionality –High performance –Mobility –Multicast –Security l Service –Smart Device World –Charging Model l Transition

14. 14 CERNET and CERNET2 Comparison

15. 15 IPv6 BGP Analysis

16. 16 IPv6 Video

17. 17 IPv6 Search Engine

18. 18 Q&A