1. 1 CERNET Development CANS 2002 Xing Li

2. 2 www.edu.cn

3. 3 CERNET Projects l CERNET Demonstration –94-96SPC l “95” Research & Development –95-00SPC l CERNET Satellite Backbone –97-99SPC l “211” Project –97-01MOE l Modern Distance Learning –98-02MOE

4. 4 CERNET Demonstration l National IP Backbone and International gateway l National network center l Regional Pops l Network management system l Network applications

5. 5 “95” Research & Development l Network management l Network security l Routing and switching l Network design and simulation l Chinese environment l Distance learning l Digital library l Computer collaboration l Distribute computing

6. 6 CERNET Satellite Backbone l 22 earth stations –8 in regional Pops –14 in western regions l Ku-band –3.7M vs 2M l Policy based routing –80 port and above

7. 7 “211” Project l 28 provincial Pops –from 10 Pops –to 38 Pops in provincial capitals l Mirror sites –network information10 sites –discipline 12 sites l Distribute search engine

8. 8 Modern Distance Learning l High speed transport l High speed national backbone l High speed regional backbone l High speed MAN l Demos and services

9. 9 CERNET Infrastructure l Transport network –DWDM/SDH l Satellite network –SCPC l IP network

10. 10 CERNET Transport Network l Transport network –20,000 km –200+ relay stations –DWDM 16x2.5G –SDH155M

11. 11 CERNET Fiber Infrastructure

12. 12 DWDM/SDH

13. 13 DWDMDWDM SDHSDH DWDMDWDM 2.5GROUTER 155MROUTER DWDMDWDM SDHSDH SDHSDH SDHSDH DWDMDWDM DWDM/SDH DWDM 1 9 2 9 1 913 2 9 1 3 9

14. 14 CERNET Satellite Network l Satellite network –Sino-sat –22 earth stations

15. 15 CERNET Backbone

16. 16

17. 17 CERNET IP Addresses l ip prefix-list CERNET permit 162.105.0.0/16 le 24 l ip prefix-list CERNET permit 166.111.0.0/16 le 24 l ip prefix-list CERNET permit 202.4.128.0/19 le 24 l ip prefix-list CERNET permit 202.38.64.0/18 le 24 l ip prefix-list CERNET permit 202.38.192.0/18 le 24 l ip prefix-list CERNET permit 202.112.0.0/13 le 24 l ip prefix-list CERNET permit 202.120.0.0/15 le 24 l ip prefix-list CERNET permit 202.192.0.0/12 le 24 l ip prefix-list CERNET permit 210.26.0.0/15 le 24 l ip prefix-list CERNET permit 210.28.0.0/14 le 24 l ip prefix-list CERNET permit 210.32.0.0/12 le 24 l ip prefix-list CERNET permit 211.64.0.0/13 le 24 l ip prefix-list CERNET permit 211.80.0.0/13 le 24 l ip prefix-list CERNET permit 218.192.0.0/13 le 24 l ip prefix-list CERNET permit 219.216.0.0/15 le 24 l ip prefix-list CERNET permit 219.242.0.0/15 le 24 l ip prefix-list CERNET permit 219.244.0.0/14 le 24 l ip prefix-list CERNET permit 210.25.128.0/17 le 24

18. 18 Backbone Traffic

19. 19 BJ-IX Traffic

20. 20 CERNET statistics l CERNET GigaPops8 l CERNET MigaPops36 l Cities connected200+ l CERNET Members 1,000+ l Users10M+ 320M

21. 21 CERNET Services l SLA service l Directory service l Multicast service l Video service l Voice service l IPv6 service l CCERT service l Accounting Service

22. 22 SLA (IP core) (better than this is more expensive than traditional TDM to produce) l Forwarding outage<3s l Packet loss0.05% l Packet reordering1% l RRT CN(except sat. Link)100ms l RTT US380ms l RTT World550ms l Jitter30ms

23. 23 SLA

24. 24 IP db

25. 25 STARTAPAPAN-TXP NSFCNET nqhu BR+rp R1.1 rr s CERNET R2.1 rr s R3.1 rr s R4.1 rr s R5.1 rr s R6.1 rr s R7.1 rr s R8.1 rr s R0l BR R0b BR Rx6 BR R1a rp R8a rp R7a rp R6a rp R5a rp R4a rp R2a rp R2a rp PIM-SP/mBGP/MSDP

26. 26 Video Multicast & H.323 GigaPop12 PoP40 Key Univ.100+

27. 27 Voice IP Phone SoftSwitch AppServer PolicyServer NMS switch STP TMG PSTN GSM/CDMA/3G

28. 28 CERNET 6Bone address

29. 29 CERNET official IPv6 address

30. 30 CERNET IPv6 BGP Peers

31. 31 CCERT 服务

32. 32

33. 33 anti-spam

34. 34 Accounting Analysis

35. 35 中国互连网预测 (1) l 中国人口 12 亿 – 每人 1 个地址 l 72 class A IP addresses – 每人每天拨号上网 1 小时 l 1.68T/s – 每人 1M 网页 l 1200TB

36. 36 中国互连网预测 (2)

37. 37 APNIC IPv4 地址分布

38. 38

39. 39

40. 40 Situation l 6.2 IPv4 Address Space currently allocated to the RIRs  RIPE has 7 x /8’s (62, 193, 194, 195, 212, 213, 217)  ARIN has13 x /8’s ( 63, 64, 65, 66, 199, 200, 204, 205, 206, 207, 208, 209, 216)  APNIC has 6 x /8’s (61, 202, 203, 210, 211, 218) l IANA still has many address blocks reserved and available for allocation to RIRs, namely: l 1, 2, 5, 7, 23, 27, 31, 36, 37, 39, 41, 42, 49, 50, 58, 59, 60, 67-95, 96- 126, 197, 201, 219-223, i.e. 84 /8s. In addition to this, the former "Class B" space is completely free from 173/8 to 191/8, i.e. 19 /8s. This makes a total of 103 /8s available for allocation to the RIRs.

41. 41 Likely

42. 42 Resource distribution

43. 43 IP & GDP

44. 44 Setting protocol l 1999, the IETF IPv6 Working Group announced that the protocol was finished and ready for implementation. l Sept. 2000, Japan advocated deployment of IPv6 l Feb. 2001, South Korea followed l April 2001, European Commission called for its quick adoption l United States has shown little enthusiasm for implementation of the next-generation Internet. 2000 Dow Jones & Company, Inc.

45. 45 Comments (1) l Scalability –Address –Routing l Multihoming

46. 46 Comments (2) l Next Generation applications l End-to-end l Information resources High performance Parallel TCP Reliable UDP ?

47. 47 Comments (3) l Other considerations –Security –Mobility –QoS –? New business model The reasonable charging model

48. 48 Comments (4) l International collaboration More bandwidth Asia - US Asia - EU

49. 49 CANS 2002 NMS

50. 50 traceroute

51. 51 Wireless access

52. 52 Q&A

53. 53 Research Areas l Network architecture, measurement and behavior –CERNET IPv6 l Distributed search engine –net-compass.net l Multimedia and multicast –cool-audio/video/meeting/channels, cernet video l IDS –CCERT